Overview:

When an end-user previews WeChat Service Account Templates, an error occurs:  User Does Not Have Access To Field 'Current_Day_wec_vod__c' on 'Multichannel_Contest_vod__c'

Root Cause:

The Current_Day_wec_vod__c field does not exist in the Multichannel_Contest_vod__c object. The field is not a product field. The WeChat Service Account Templates record should be set up by the admin and related to the template in the customer's Service Account. 

Solution: