I get this error on my page when I attempt to use the <tabber> tag in any way.
(However I can use <tabbertransclude> without issues.)
I get this error on my page when I attempt to use the <tabber> tag in any way.
(However I can use <tabbertransclude> without issues.)
Seems that 1.7.5 is not compatible with MediaWiki 1.38 or below, using 1.7.4 should fix the issue.