Installation of the Knowledge Management Advanced Plugin fails if unique index already exists in article numberIssue <!-- div.margin{ padding: 10px 40px 5px 30px; } table.tocTable{ border: 1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); padding-top: .6em; padding-bottom: .6em; padding-left: .9em; padding-right: .6em; } table.noteTable{ border:1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); width: 100%; border-spacing: 8px; border-collapse: separate; } table.internalTable{ border:1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); width: 100%; border-spacing:0; } .sp td{ border-bottom: 1px solid; border-right: 1px solid; border-color:#E0E0E0; background-color: #ffffff; height: 20px; padding-top: .5em; padding-bottom: .5em; padding-left: .5em; padding-right: .5em; } .sphr td{ border-right: 1px solid; border-bottom: 1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); padding-top: .5em; padding-bottom: .5em; padding-left: .5em; padding-right: .5em; height: 20px; } .title { color: #D1232B; font-weight:; font-size:25px; } .hd1{ color: #D1232B; font-weight:; font-size:18px; } .hd2{ color: #646464; font-weight:bold; font-size:16px; } .hd3{ color: #7a7a7a; font-weight:; font-size:16 px; text-decoration:; } .hd4{ color: #000000; font-weight:bold; font-size:14 px; text-decoration:; } --> Installing the Knowledge Management Advanced plugin fails if a unique index on an article number field already exists. ReleaseThis issue has been identified in all currently supported releasesResolution The following corrective steps need to be taken as corrective action:- Step 1. Execute the below script to remove the Unique index created on table "kb_Knowledge" for field "number":- var tableName = "kb_knowledge"; var isUniqueIndex = true; var columnsInIndex = ["number"]; var util = new GlideIndexUtils(); var count = util. dropByExactElementSequence(tableName, isUniqueIndex, columnsInIndex); gs.info(count + " index dropped."); Step 2:- Uncheck the "unique" field for table kb_knowledge in sys_dictionary Navigate to System Definition > DictionarySearch for Table = kb_knowledge and Column name = numberOpen the record and uncheck Unique field Only If Unique field is not available: Right click on Form Header > Configure > Form LayoutMove the entry Unique from the Available to Selected list.Save changes. The Unique field is now visible. Step 3:- Now retry activating the plugin.