WeBWorK error

An error occured while processing your request. For help, please send mail to this site's webmaster (root@localhost), including all of the following information as well as what what you were doing when the error occured.

Tue Sep 25 14:49:57 2018

Warning messages

Error messages

Course 'MATH_008B_001_12F' not found: No such file or directory at /opt/webwork/webwork2/lib/WeBWorK.pm line 298.

Call stack

The information below can help locate the source of the problem.

Request information

MethodGET
URI/webwork2/MATH_008B_001_12F/
HTTP Headers
ConnectionKeep-Alive
User-AgentCCBot/2.0 (https://commoncrawl.org/faq/)
Accept-Encodinggzip
Accepttext/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
If-Modified-SinceSun, 22 Jul 2018 22:03:15 GMT
Hostwebwork.ucr.edu