On mediawiki 1.35.2 I get a error when trying to use following setting:
wfLoadSkin([ 'MonoBook', 'Timeless', 'Vector' ]);
error:
Notice: Array to string conversion in C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs\includes\GlobalFunctions.php on line 86 Fatal error: Uncaught Exception: Unable to open file C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs/skins/Array/skin.json: filemtime(): stat failed for C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs/skins/Array/skin.json in C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs\includes\registration\ExtensionRegistry.php:177 Stack trace: #0 C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs\includes\GlobalFunctions.php(88): ExtensionRegistry->queue('C:\\Bitnami\\medi...') #1 C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs\LocalSettings.php(192): wfLoadSkin(Array) #2 C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs\includes\Setup.php(143): require_once('C:\\Bitnami\\medi...') #3 C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs\includes\WebStart.php(89): require_once('C:\\Bitnami\\medi...') #4 C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs\index.php(44): require('C:\\Bitnami\\medi...') #5 {main} thrown in C:\Bitnami\mediawiki-1.35.2-0\apps\mediawiki\htdocs\includes\registration\ExtensionRegistry.php on line 177