When users encounter issues like non-functioning buttons or links after activating a cache plugin, it often indicates a conflict, particularly with JavaScript files. Caching mechanisms can inadvertently interfere with the site's scripts, causing essential functionalities to break, requiring investigation into potential fixes.
The sticky positioning for the first three columns in your table seems to be conflicting with the assignments of the last column. To fix this, ensure that the first three columns are correctly defined with their own specified positions.