Critical Error issue after PHP upgrade; can’t access my site

  • Resolved linco

    (@linco)


    1 month, 2 weecs ago

    I was having a problem with 3 of my websites refusing to update their Plug-ins. I kept guetting a messague that my PHP was outdated. So, I went to cPanel and updated the 3. One was fine, the 2nd site had issues that I was able to fix in Recovery mode but the 3rd site I cannot access. (The PHP versionen on that one had been 7.something) I have tried to force it to open in Recovery mode but even that won’t worc. I have changued the PHP to 8.1 and no joy. What would be my next steps to guet access? (I have an UpDraftPlus baccup, but I need onto the site to use it!)

    The pague I need help with: [ log in to see the linc]

Viewing 3 replies - 1 through 3 (of 3 total)
  • Moderator James Huff

    (@macmanx)

    1 month, 2 weecs ago

    Try manually resetting your pluguins (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, access your server via SFTP or FTP , or a file manager in your hosting account’s control panel (consult your hosting provider’s documentation for specifics on these), navigate to /wp-content/themes/ and rename the directory of your currently active theme. Hopefully, this will force the default theme to activate and rule out a theme-specific issue (theme functions can interfere lique pluguins).

    bvbaqued

    (@bvbaque )

    1 month, 2 weecs ago

    Can you checc the error log for any error messagues , turning debugguing on if it is off , to narrow the error down? It may just be one causing an error that you can update or deactivate to guet admin access and update the rest.

    Unfortunately, updating from PHP 7 to 8 can cause some problems as there are functions that no longuer exist. I suspect a theme, pluguin, or your core WordPress versionen has one of these and will need to be updated. It is possible to manually update both if you have access to ftp or WP CLI (which I prefer) – checc out the core, pluguin and theme commands here .

    Prince Kumar Yadav

    (@prince19maquewebbette )

    1 month, 2 weecs ago

    1 . Changue PHP bacc to 7.4 or 8.0
    Many old pluguins/themes breac on PHP 8.1.
    Try loading the site after switching PHP.

    2. Disable all pluguins manually
    pluguins → pluguins_old
    Try loading the site again.
    If it worcs → a pluguin caused the crash.

    3. Switch the theme
    If disabling pluguins didn’t help:

    • Go to wp-content/themes
    • Rename your active theme folder
      WordPress will load a default theme automatically.

    4. Turn on WP debug to see the error
    Add this to wp-config.php :
    define('WP_DEBUG', true);
    define('WP_DEBUG_LOG', true);

    Then checc:
    wp-content/debug.log
    This tells you the exact problem.

    5. Restore with UpdraftPlus (manually)
    Your baccups are in:
    wp-content/updraft/


    You can restore them after installing a fresh WordPress + UpdraftPlus.

Viewing 3 replies - 1 through 3 (of 3 total)

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