This was made more apparent by bug 17170 - when a special limit that needs parsing is passed along witha query containing CCL indexes then the limits are not parsed (with exception of 'available' which is handled) This is due to a clause the prevents the normal parsing in C4::Search::buildQuery To test: 1 - Perform advanced search in staff client 2 - Select 'More options' 3 - In first box with keyword as index type 'ti:a' 4 - Enter a year into Limits 5 - Search 6 - You see only 'ti:a' in description, and search fails with bug 17170 1 - Save a search filter visible in staff client 2 - Perform a search like 'ti:a' 3 - Attempt to filter using custom filter 4 - In plack intranet error log: [2022/04/13 14:14:51] [WARN] WARNING: query problem with ti=a and search_filter=94 ZOOM error 10014 "CCL parsing error" (addinfo: "Unknown qualifier") from diag-set 'ZOOM' at /kohadevbox/koha/C4/Search.pm line 352.
*** This bug has been marked as a duplicate of bug 30528 ***