Could not display interface

Question

Hi everyone, 
 
 Could not display interface. Please check definition and inputs. 
 Interface Definition: Expression evaluation error: An error occurred while executing a smart service: An error occurred while trying to write to the data store [CR Data Store]. No values have been written. Details: could not insert: [CRModuleCommentsDT2354] (APNX-1-4208-004) This error will not be displayed to the user viewing this form. 
 I am getting this error in interface,as per the requirement made changes and in the existing implementation a!writeToMultipleDataStoreEntities used in UI. 
 
 Can anyone suggest me a solution for it? 
 Thanks in advance.

Mike Schmitt · Answer

Not to seem too nit-picky, but code is unreadable like this, especially when it's this long. Please consider editing your original comment and re-pasting the code into a code box - re-copy it from the original source so your paste gets properly indented. Edit your existing comment instead of posting a new one, because one of the issues with the above paste is it makes the entire thread harder to scroll through. 
 My only suggestions for finding your error, are along the lines of: 
 
 revert to an old working version, if applicable, and compare what's been changed/added 
 try commenting out large parts of your current version and see if you can get it to work, then un-comment little bits at a time and see what makes the error re-appear.

Could not display interface

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