[ww-bugs] Bug 3464: New: Warning message generated

[bugzilla-daemon at webwork.maa.org]

http://bugs.webwork.maa.org/show_bug.cgi?id=3464

           Summary: Warning message generated
           Product: Problem libraries
           Version: unspecified
          Platform: PC
               URL: /opt/webwork/courses/Math_125_F15_Vance/templates/Libr
                    ary/CollegeOfIdaho/setAlgebra_05_03_FactoringByGroupin
                    g/53IntAlg_24_FactorGrouping.pg_with_problemSeed=1701
        OS/Version: Windows
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Library (OPL)
        AssignedTo: jj at asu.edu
        ReportedBy: paultpearson at gmail.com
        Web browser ---
           version:


Hi all,

Using ww_version: 2.8 | pg_version: 2.8.1 with seed 1701, display mode images,
and student answer (5s^4)-(13s^2)-28 the problem

Library/CollegeOfIdaho/setAlgebra_05_03_FactoringByGrouping/53IntAlg_24_FactorGrouping.pg

is throwing a warning that suggests that the CofIdaho_macros.pl file is not
working properly and needs to be fixed so as not to fail under conditions such
as this.  The warning message is below.

----------------------------------------------
WeBWorK Warnings

WeBWorK has encountered warnings while processing your request. If this occured
when viewing a problem, it was likely caused by an error or ambiguity in that
problem. Otherwise, it may indicate a problem with the WeBWorK system itself.
If you are a student, report these warnings to your professor to have them
corrected. If you are a professor, please consult the warning output below for
more information.

Warning messages

Error in Translator.pm::process_answers: Answer AnSwEr0001: |(5s^4)-(13s^2)-28|
Missing operand after '-'; see position 7 of formula at line 445 of
[TMPL]/Library/macros/CollegeOfIdaho/CofIdaho_macros.pl
Error in Translator.pm::process_answers: Answer AnSwEr0001:<br/>
Answer evaluators must return a hash or an AnswerHash type, not type || at
/opt/webwork/pg/lib/WeBWorK/PG/Translator.pm line 1237
Use of uninitialized value in addition (+) at (eval 5560) line 1709.
Request information

Time    Thu Sep 24 21:55:42 2015
Method    GET
URI    /webwork2/Math_125_F15_Vance/4_Transformations_Equations_Factoring/14/



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