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Undefined index encrypter.php after admin login in magento 2


White admin login screen on magento 2Magento Module creation gives errorMagento 2.2.4 place order exception error “Undefined index: product_id Issue”Undefined index: websites in ..module-config/App/Config/Type/System.phpMagento 2 - Error in line 196 Dictionary.php - Undefined offsetCheckout create issue after Upgradation in Magento 2.2.6magento 2 trace payment page issue array to string conversionError in admin page Ui gridMagento Website ErrorUndefined property: DOMDocument::$documentElement in Magento 2






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








0















1 exception(s):
Exception #0 (Exception): Notice: Undefined offset: 2 in /var/www/html/Registration/vendor/magento/framework/Encryption/Encryptor.php on line 588










share|improve this question


























  • what is your php version?

    – Shoaib Munir
    Aug 6 at 6:26











  • Is that comes after upgrading or after installation of new Magento? Which Magento version you are using?

    – Harsh Jayswal
    Aug 6 at 6:28












  • @ShoaibMunir php version is 7.2

    – usman
    Aug 6 at 6:29











  • @HarshJayswal i am using magento 2.3. i am working on Extension devolpment. when i install magento 2.3 everything is working fine. but now admin login is not working but admin login page is displayed but when i enter login credential it gave me exception of undefined index .i have also tried it on php version 7.1 but facing the same exception

    – usman
    Aug 6 at 6:31


















0















1 exception(s):
Exception #0 (Exception): Notice: Undefined offset: 2 in /var/www/html/Registration/vendor/magento/framework/Encryption/Encryptor.php on line 588










share|improve this question


























  • what is your php version?

    – Shoaib Munir
    Aug 6 at 6:26











  • Is that comes after upgrading or after installation of new Magento? Which Magento version you are using?

    – Harsh Jayswal
    Aug 6 at 6:28












  • @ShoaibMunir php version is 7.2

    – usman
    Aug 6 at 6:29











  • @HarshJayswal i am using magento 2.3. i am working on Extension devolpment. when i install magento 2.3 everything is working fine. but now admin login is not working but admin login page is displayed but when i enter login credential it gave me exception of undefined index .i have also tried it on php version 7.1 but facing the same exception

    – usman
    Aug 6 at 6:31














0












0








0








1 exception(s):
Exception #0 (Exception): Notice: Undefined offset: 2 in /var/www/html/Registration/vendor/magento/framework/Encryption/Encryptor.php on line 588










share|improve this question
















1 exception(s):
Exception #0 (Exception): Notice: Undefined offset: 2 in /var/www/html/Registration/vendor/magento/framework/Encryption/Encryptor.php on line 588







magento2 php






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Aug 6 at 6:27









Faisal Sheikh

4231 silver badge12 bronze badges




4231 silver badge12 bronze badges










asked Aug 6 at 6:24









usmanusman

165 bronze badges




165 bronze badges















  • what is your php version?

    – Shoaib Munir
    Aug 6 at 6:26











  • Is that comes after upgrading or after installation of new Magento? Which Magento version you are using?

    – Harsh Jayswal
    Aug 6 at 6:28












  • @ShoaibMunir php version is 7.2

    – usman
    Aug 6 at 6:29











  • @HarshJayswal i am using magento 2.3. i am working on Extension devolpment. when i install magento 2.3 everything is working fine. but now admin login is not working but admin login page is displayed but when i enter login credential it gave me exception of undefined index .i have also tried it on php version 7.1 but facing the same exception

    – usman
    Aug 6 at 6:31


















  • what is your php version?

    – Shoaib Munir
    Aug 6 at 6:26











  • Is that comes after upgrading or after installation of new Magento? Which Magento version you are using?

    – Harsh Jayswal
    Aug 6 at 6:28












  • @ShoaibMunir php version is 7.2

    – usman
    Aug 6 at 6:29











  • @HarshJayswal i am using magento 2.3. i am working on Extension devolpment. when i install magento 2.3 everything is working fine. but now admin login is not working but admin login page is displayed but when i enter login credential it gave me exception of undefined index .i have also tried it on php version 7.1 but facing the same exception

    – usman
    Aug 6 at 6:31

















what is your php version?

– Shoaib Munir
Aug 6 at 6:26





what is your php version?

– Shoaib Munir
Aug 6 at 6:26













Is that comes after upgrading or after installation of new Magento? Which Magento version you are using?

– Harsh Jayswal
Aug 6 at 6:28






Is that comes after upgrading or after installation of new Magento? Which Magento version you are using?

– Harsh Jayswal
Aug 6 at 6:28














@ShoaibMunir php version is 7.2

– usman
Aug 6 at 6:29





@ShoaibMunir php version is 7.2

– usman
Aug 6 at 6:29













@HarshJayswal i am using magento 2.3. i am working on Extension devolpment. when i install magento 2.3 everything is working fine. but now admin login is not working but admin login page is displayed but when i enter login credential it gave me exception of undefined index .i have also tried it on php version 7.1 but facing the same exception

– usman
Aug 6 at 6:31






@HarshJayswal i am using magento 2.3. i am working on Extension devolpment. when i install magento 2.3 everything is working fine. but now admin login is not working but admin login page is displayed but when i enter login credential it gave me exception of undefined index .i have also tried it on php version 7.1 but facing the same exception

– usman
Aug 6 at 6:31











2 Answers
2






active

oldest

votes


















0














Your environment is using ARGON2ID13 instead of SHA256 for hashing.



Check if you have 'sodium' php extension enabled.



If you disable the libsodium php extension, it will fallback on SHA-256 and won't break Magento.



In the Docker php-fpm image you can comment it out in /usr/local/etc/php/conf.d/docker-php-ext-sodium.ini:



;extension=sodium.so





share|improve this answer

























  • the senerio is i devolped extension on magento 2.3 and for testing of extension i insall magento 2.2.9 and extension behave excellent but after tesing when i want to login on magento 2.3 admin pannel it gave me this exception.does it resolved by installing sodium extension?

    – usman
    Aug 6 at 6:40











  • not install, you need to disable sodium extension

    – Shoaib Munir
    Aug 6 at 6:47











  • Check this one: github.com/magento/magento2/issues/23511#issuecomment-507033705

    – Shoaib Munir
    Aug 6 at 6:48











  • How to check this extension is enable?

    – usman
    Aug 6 at 9:07











  • i have read this issue on provided link but here only describe its a PHP version issue but its not a PHP issue because i have have checked it by change PHP version

    – usman
    Aug 6 at 9:10


















0














ok got your problem just create a new admin user using the following command



bin/magento admin:user:create


after that login with new admin id it will solve your problem.






share|improve this answer

























  • it does not solve my problem

    – usman
    Aug 6 at 9:18













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2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes









0














Your environment is using ARGON2ID13 instead of SHA256 for hashing.



Check if you have 'sodium' php extension enabled.



If you disable the libsodium php extension, it will fallback on SHA-256 and won't break Magento.



In the Docker php-fpm image you can comment it out in /usr/local/etc/php/conf.d/docker-php-ext-sodium.ini:



;extension=sodium.so





share|improve this answer

























  • the senerio is i devolped extension on magento 2.3 and for testing of extension i insall magento 2.2.9 and extension behave excellent but after tesing when i want to login on magento 2.3 admin pannel it gave me this exception.does it resolved by installing sodium extension?

    – usman
    Aug 6 at 6:40











  • not install, you need to disable sodium extension

    – Shoaib Munir
    Aug 6 at 6:47











  • Check this one: github.com/magento/magento2/issues/23511#issuecomment-507033705

    – Shoaib Munir
    Aug 6 at 6:48











  • How to check this extension is enable?

    – usman
    Aug 6 at 9:07











  • i have read this issue on provided link but here only describe its a PHP version issue but its not a PHP issue because i have have checked it by change PHP version

    – usman
    Aug 6 at 9:10















0














Your environment is using ARGON2ID13 instead of SHA256 for hashing.



Check if you have 'sodium' php extension enabled.



If you disable the libsodium php extension, it will fallback on SHA-256 and won't break Magento.



In the Docker php-fpm image you can comment it out in /usr/local/etc/php/conf.d/docker-php-ext-sodium.ini:



;extension=sodium.so





share|improve this answer

























  • the senerio is i devolped extension on magento 2.3 and for testing of extension i insall magento 2.2.9 and extension behave excellent but after tesing when i want to login on magento 2.3 admin pannel it gave me this exception.does it resolved by installing sodium extension?

    – usman
    Aug 6 at 6:40











  • not install, you need to disable sodium extension

    – Shoaib Munir
    Aug 6 at 6:47











  • Check this one: github.com/magento/magento2/issues/23511#issuecomment-507033705

    – Shoaib Munir
    Aug 6 at 6:48











  • How to check this extension is enable?

    – usman
    Aug 6 at 9:07











  • i have read this issue on provided link but here only describe its a PHP version issue but its not a PHP issue because i have have checked it by change PHP version

    – usman
    Aug 6 at 9:10













0












0








0







Your environment is using ARGON2ID13 instead of SHA256 for hashing.



Check if you have 'sodium' php extension enabled.



If you disable the libsodium php extension, it will fallback on SHA-256 and won't break Magento.



In the Docker php-fpm image you can comment it out in /usr/local/etc/php/conf.d/docker-php-ext-sodium.ini:



;extension=sodium.so





share|improve this answer













Your environment is using ARGON2ID13 instead of SHA256 for hashing.



Check if you have 'sodium' php extension enabled.



If you disable the libsodium php extension, it will fallback on SHA-256 and won't break Magento.



In the Docker php-fpm image you can comment it out in /usr/local/etc/php/conf.d/docker-php-ext-sodium.ini:



;extension=sodium.so






share|improve this answer












share|improve this answer



share|improve this answer










answered Aug 6 at 6:32









Shoaib MunirShoaib Munir

5,7746 gold badges24 silver badges71 bronze badges




5,7746 gold badges24 silver badges71 bronze badges















  • the senerio is i devolped extension on magento 2.3 and for testing of extension i insall magento 2.2.9 and extension behave excellent but after tesing when i want to login on magento 2.3 admin pannel it gave me this exception.does it resolved by installing sodium extension?

    – usman
    Aug 6 at 6:40











  • not install, you need to disable sodium extension

    – Shoaib Munir
    Aug 6 at 6:47











  • Check this one: github.com/magento/magento2/issues/23511#issuecomment-507033705

    – Shoaib Munir
    Aug 6 at 6:48











  • How to check this extension is enable?

    – usman
    Aug 6 at 9:07











  • i have read this issue on provided link but here only describe its a PHP version issue but its not a PHP issue because i have have checked it by change PHP version

    – usman
    Aug 6 at 9:10

















  • the senerio is i devolped extension on magento 2.3 and for testing of extension i insall magento 2.2.9 and extension behave excellent but after tesing when i want to login on magento 2.3 admin pannel it gave me this exception.does it resolved by installing sodium extension?

    – usman
    Aug 6 at 6:40











  • not install, you need to disable sodium extension

    – Shoaib Munir
    Aug 6 at 6:47











  • Check this one: github.com/magento/magento2/issues/23511#issuecomment-507033705

    – Shoaib Munir
    Aug 6 at 6:48











  • How to check this extension is enable?

    – usman
    Aug 6 at 9:07











  • i have read this issue on provided link but here only describe its a PHP version issue but its not a PHP issue because i have have checked it by change PHP version

    – usman
    Aug 6 at 9:10
















the senerio is i devolped extension on magento 2.3 and for testing of extension i insall magento 2.2.9 and extension behave excellent but after tesing when i want to login on magento 2.3 admin pannel it gave me this exception.does it resolved by installing sodium extension?

– usman
Aug 6 at 6:40





the senerio is i devolped extension on magento 2.3 and for testing of extension i insall magento 2.2.9 and extension behave excellent but after tesing when i want to login on magento 2.3 admin pannel it gave me this exception.does it resolved by installing sodium extension?

– usman
Aug 6 at 6:40













not install, you need to disable sodium extension

– Shoaib Munir
Aug 6 at 6:47





not install, you need to disable sodium extension

– Shoaib Munir
Aug 6 at 6:47













Check this one: github.com/magento/magento2/issues/23511#issuecomment-507033705

– Shoaib Munir
Aug 6 at 6:48





Check this one: github.com/magento/magento2/issues/23511#issuecomment-507033705

– Shoaib Munir
Aug 6 at 6:48













How to check this extension is enable?

– usman
Aug 6 at 9:07





How to check this extension is enable?

– usman
Aug 6 at 9:07













i have read this issue on provided link but here only describe its a PHP version issue but its not a PHP issue because i have have checked it by change PHP version

– usman
Aug 6 at 9:10





i have read this issue on provided link but here only describe its a PHP version issue but its not a PHP issue because i have have checked it by change PHP version

– usman
Aug 6 at 9:10













0














ok got your problem just create a new admin user using the following command



bin/magento admin:user:create


after that login with new admin id it will solve your problem.






share|improve this answer

























  • it does not solve my problem

    – usman
    Aug 6 at 9:18















0














ok got your problem just create a new admin user using the following command



bin/magento admin:user:create


after that login with new admin id it will solve your problem.






share|improve this answer

























  • it does not solve my problem

    – usman
    Aug 6 at 9:18













0












0








0







ok got your problem just create a new admin user using the following command



bin/magento admin:user:create


after that login with new admin id it will solve your problem.






share|improve this answer













ok got your problem just create a new admin user using the following command



bin/magento admin:user:create


after that login with new admin id it will solve your problem.







share|improve this answer












share|improve this answer



share|improve this answer










answered Aug 6 at 6:38









Harsh JayswalHarsh Jayswal

11911 bronze badges




11911 bronze badges















  • it does not solve my problem

    – usman
    Aug 6 at 9:18

















  • it does not solve my problem

    – usman
    Aug 6 at 9:18
















it does not solve my problem

– usman
Aug 6 at 9:18





it does not solve my problem

– usman
Aug 6 at 9:18

















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