Single User can not open the ChatIssue <!-- div.margin { padding: 10px 40px 40px 30px; } table.tocTable { border: 1px solid; border-color: #e0e0e0; background-color: #fff; } .title { color: #d1232b; font-weight: normal; font-size: 28px; } h1 { color: #d1232b; font-weight: normal; font-size: 21px; margin-bottom: 5px; border-bottom-width: 2px; border-bottom-style: solid; border-bottom-color: #cccccc; } h2 { color: #646464; font-weight: bold; font-size: 18px; } h3 { color: #000000; font-weight: bold; font-size: 16px; } h4 { color: #666666; font-weight: bold; font-size: 15px; } h5 { color: #000000; font-weight: bold; font-size: 13px; } h6 { color: #000000; font-weight: bold; font-size:14px; } ul, ol { margin-left: 0; list-style-position: outside; } --> Symptoms A user cannot open the Chat got "Unable to complete your request: An unknown error occurred" when user clicking the Chat link Release All Cause The user had snc_read_only role linked on the user record Resolution Remove the snc_read_only role on the user's record: Navigation on the left panel: sys_user.list, search the user name from the list, clicking the recordClicking Roles tab, under Related list section on sys_user's formClicking Edit.. button, remove snc_read_only from right side boxClicking Save