Each time I upgrade, I unzip the archive to a new directory and copy over the images and extensions.  So I've been using the "core" version of Vector for a while.  That said, commenting out the line with wfLoadSkin('Vector') still generates the following error:

================
PHP Fatal error:  Uncaught FatalError: $wgBaseDirectory must not be modified in settings files! Use the MW_INSTALL_PATH environment variable to override the installation root directory. in /var/www/gpf/mediawiki-1.38.2/includes/Setup.php:237
Stack trace:
#0 /var/www/gpf/mediawiki-1.38.2/maintenance/doMaintenance.php(96): require_once()
#1 /var/www/gpf/mediawiki-1.38.2/maintenance/update.php(264): require_once('/var/www/gpf/me...')
#2 {main}
  thrown in /var/www/gpf/mediawiki-1.38.2/includes/Setup.php on line 237
================

I'm not modifying $wgBaseDirectory anywhere in my LocalSettings.php, so I don't see why it would be generating this error.  (Note that all of the files in the stack trace are MediaWiki internal files.)

Jeffrey T. Darlington
General Protection Fault
https://www.gpf-comics.com/

On Sun, Jul 3, 2022 at 6:44 PM Jeffrey Walton <noloader@gmail.com> wrote:
On Sun, Jul 3, 2022 at 6:19 PM Jeffrey T. Darlington
<jeff.darlington@gmail.com> wrote:
>
> Thanks for the suggestions, but no luck here.  I did indeed have the old "$IP = MW_INSTALL_PATH" block.  But if I comment that out, I still get the same "Unable to open file /Vector/skin.json" error.  Same goes for the "$wgBaseDirectory = MW_INSTALL_PATH" suggestion; that gives me the "$wgBaseDirectory must not be modified in settings files!" error.  Neither option seems to work for me.

I _think_ Vector became part of Core awhile back. Do you have a Vector
in your skins/ directory? If so, you may want to delete it. If not,
look at the offending line in LocalSettings.php, and comment it out.
The stack trace will tell you the offending line in LocalSettings.php.

Jeff
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