Occasional error in interview_list copy action

[nonprofittechy]

DAErrorMissingVariable: 
Interview has an error.  There was a reference to a variable 'interview_list_copy_action' that could not be looked up in the question file (for language 'en') or in any of the files incorporated by reference into the question file.

[BryceStevenWilley]

Duplicate of #1001 , closing of favor of that which has more info