How To Fix UPC202 - Error while calling up RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: UPC - Planning: General Error Messages

• Message number: 202

• Message text: Error while calling up RFC

What causes this issue?

You have selected a function, to execute this the system must set up an
RFC connection to another SAP System. However, setting up this
connection was not successful. The following internal error message was
generated:
"&V1& &V2&"

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Inform the system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.