authentication type 'user_module' not found in course environment %authen hash at /usr/local/webwork-2.2.1/lib/WeBWorK/Authen.pm line 107.
The information below can help locate the source of the problem.
in WeBWorK::Authen::class called at line 254 of /usr/local/webwork-2.2.1/lib/WeBWorK.pm
Suggestions to cause? I'll try the config files in the meantime.