Unable to find the issue on splunk. user has the access to the reporting but, while trying to access it, they experience broken link and sometimes login issues on the splunk

[raghuav1]

11-19-2018 08:36:28.373 +0000 WARN AuthenticationManagerScripted - Function 'userLogin' failed. Could not find '--status=success' in output
11-19-2018 08:36:28.373 +0000 ERROR AuthenticationManagerScripted - Script function userLogin failed for user: "username "
11-19-2018 08:36:28.373 +0000 ERROR UiAuth - user="username " action=login status=failure reason=user-initiated useragent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTM
L, like Gecko) Chrome/70.0.3538.77 Safari/537.36"