Support:Display columns not working
From dispage wiki
|dispage extension||Enhanced Search|
Layout Options → Display Columns from Advanced Search panel are not correctly saved when Enhanced Search 3.1.03 is installed.
Below is the manual fix.
1- Replace the file
with the one that can be downloaded from this link
2- Restore owner, group and permissions that the file had before overwriting it.
3- Make sure to have flushed your browser's cache.