Scenario:
When importing a .mpp file into Web Timesheet using the Microsoft Project Integration Manager, it errors out with this message Error: The following problem occurred: Call was rejected by callee. (Exception from HRESULT: 0x80010001 (RPC_E_CALL_REJECTED)).

 

 

Cause:
This error occurs when a Note has been put against the Project Level in MS Project.

Resolution:
Notes have to be against a Task or a Sub-Task and cannot be imported at the Project Level in MS Project.