Try these:
bench clear-cache
bench clear-website-cache
clear your web browser cache
Try another browser Chrome, Firefox etc.
if still no go check the logs
Given ldap_settings UndefinedError
reset these setttings
Try these:
bench clear-cache
bench clear-website-cache
clear your web browser cache
Try another browser Chrome, Firefox etc.
if still no go check the logs
Given ldap_settings UndefinedError
reset these setttings