This issue is caused by the data in a field of your file being too long to be imported correctly in to Access Charity CRM.
Please ensure that the data in your source files fields is not longer than the maximum length stated for the same field in the Guidance for the datafeed you are doing.
Some common fields that can be longer than what Access Charity CRM accepts are Source Code and Destination Code. Both of these fields have a max length of 25 characters in Access Charity CRM.
