I changed Workshop 4 AM # 30 to meet my needs. My version of the problem is in the Problem Testing problem set #5. It seems to work fine on the MAA's server, but I get the same problem as above when I try it on my server.
https://testcourses.webwork.maa.org/webwork2/PREP14_Problem_Authoring/Problem_Testing/5
PREP 2014 Question Authoring - Archived
Workshop 4 AM, Problem 30 doesn't work on our server
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