Bad Field Names on insert/update calls

Issue: The synchronization of Customers to Account was not happening properly. Some fields that were present in QuickBooks Desktop were not present in Salesforce. Hence an error popped up in the Logs of the DBSyc Account of client.

Description:

The synchronization of Customers to Account was not happening properly as some fields were present in QuickBooks Desktop that were not present in Salesforce. Hence the following error popped up in the Logs of the DBSyc Account of client.

Error:

Contact: bad field names on insert/update call: AssistantPhone, OtherPostalCode, OtherStreet, OtherCity. 
<b>Error Trace :</b>Contact: bad field names on insert/update call: AssistantPhone, OtherPostalCode, OtherStreet, OtherCity.

Solution:

This fields may not be present on the Salesforce page. So, go to "page layout" of the appropriate Account and add those fields there in order to avoid this issue.