The feature of merging patrons (bug #9302 ) did include a fail safe, according to the bug, if/when using this feature, the option of "selecting all" patrons from a search was chosen, then the option to merge could not be used. When testing this feature, if a few patrons were chosen and then "select all" is chosen, the merge feature is still available to use. If no patrons are chosen and then "select all" is chosen, merge option is not available. Test: how it currently works 1. Search for Patrons by Last Name by Letter 2. From this list, choose patron a, patron b, patron c 3. See that merge patron option available 4. Now select all patrons - merge patron option still available Test: (how it should work) 1. Search for patrons by last name by letter 2.From this list choose patron a, patron b, patron c 3. See that merge patron option avail 4. Now "select all" patrons 3. See that merge patron option not available (greyed out)