CMIS connector to Documentum - key error

Question

Hello, 
 I am trying to fetch response of external system Documentum 7.2 using CMIS connector, but every time it popups with the error that the "Credential key not defined". I have added the screenshots below.

However, when I try through integration, i get the below response 
 
 Please help... 
 Sathya Srinivasan 
 Thanks in advance, 
 Divya

Kenneth Chen · Answer

First can you reverify that you are testing the same endpoint? Since the URLs across screenshots differ slightly. 
 
Second, can you attempt to set usePerUserCredentials to false and report if that changed anything? Right now in your third party credentials you have that checkbox unchecked.