Symptom
When you attempt to republish a TM1 data source from the Data page in IBM Cognos Express Manager, the following error occurs and the package is not republished to IBM Cognos Connection:
CM-REQ-4342 An error occurred with the client
Cause
Data source registration problem
Solution
In IBM Cognos Express Manager, select the TM1 data source and delete it, then recreate it using the Add button.