Support » Fixing WordPress » Backend -> Get HTTP error 500

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  • What is your WordPress version?
    What is your web hosting PHP version?

    (never edit the WordPress core file)

    knoidc

    (@knoidc)

    I upgraded manually to WordPress 5.0.3. PHP version ist 7.2. PHP Boost deactivated.

    Thanks for your help.

    Rajan V

    (@rajanit2000)

    @knoidc

    Internal server errors (error 500) are often caused by plugin or theme function conflicts, so if you have access to your admin panel, try deactivating all plugins. If you don’t have access to your admin panel, try manually resetting your plugins (no Dashboard access required). If that resolves the issue, reactivate each one individually until you find the cause.
    If that does not resolve the issue, try switching to the default theme for your version of WordPress to rule-out a theme-specific issue. If you don’t have access to your admin panel, access your server via SFTP or FTP, or a file manager in your hosting account’s control panel, navigate to /wp-content/themes/ and rename the directory of your currently active theme. This will force the default theme to activate and hopefully rule-out a theme-specific issue.
    If that does not resolve the issue, it’s possible that a .htaccess rule could be the source of the problem. To check for this, access your server via SFTP or FTP, or a file manager in your hosting account’s control panel, and rename the .htaccess file. If you can’t find a .htaccess file, make sure that you have set your SFTP or FTP client to view invisible files.
    If you weren’t able to resolve the issue by either resetting your plugins and theme or renaming your .htaccess file, we may be able to help, but we’ll need a more detailed error message. Internal server errors are usually described in more detail in the server error log. If you have access to your server error log, generate the error again, note the date and time, then immediately check your server error log for any errors that occurred during that time period. If you don’t have access to your server error log, ask your hosting provider to look for you.

    Thanks

    knoidc

    (@knoidc)

    @rajanit2000
    I already tried:
    – rename plugins folder
    – rename theme folder
    – using default .htaccess for wordpress installation

    I am using hoster Strato. There is only one log which I get from their management panel. I tried to contact them but this log is the only one I get.

    Most of the error log:
    17.01.2019 10:46:00 vonfrankenberg.info [client 147.135.16.0] AH02811: script not found or unable to stat: /home/strato/http/premium/rid/97/17/53699717/htdocs/admin.php
    17.01.2019 12:26:08 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: PHP Warning: Illegal string offset ‘remember’ in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php on line 38: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:08 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: PHP Warning: Cannot assign an empty string to a string offset in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php on line 38: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:08 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: PHP Warning: Illegal string offset ‘user_login’ in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php on line 42: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:08 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: PHP Fatal error: Uncaught Error: Cannot create references to/from string offsets in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php:42: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:08 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: Stack trace:: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:08 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: #0 /mnt/web323/a2/17/53699717/htdocs/ortho/wp-login.php(605): wp_signon(”, ”): /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:08 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: #1 {main}: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:08 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: thrown in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php on line 42: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:16 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: PHP Warning: Illegal string offset ‘remember’ in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php on line 38: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:16 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: PHP Warning: Cannot assign an empty string to a string offset in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php on line 38: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:16 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: PHP Warning: Illegal string offset ‘user_login’ in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php on line 42: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:16 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: PHP Fatal error: Uncaught Error: Cannot create references to/from string offsets in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php:42: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:16 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: Stack trace:: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:16 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: #0 /mnt/web323/a2/17/53699717/htdocs/ortho/wp-login.php(605): wp_signon(”, ”): /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:16 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: #1 {main}: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php
    17.01.2019 12:26:16 orthopaedie-friedrichshain.de [client 93.233.26.0] AH01215: thrown in /mnt/web323/a2/17/53699717/htdocs/ortho/wp-includes/user.php on line 42: /home/strato/http/premium/rid/97/17/53699717/htdocs/ortho/wp-login.php

    Thanks for your help.

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