Message type: E = Error
Message class: S# -
Message number: 640
Message text: Specify a program ID
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S#640
- Specify a program ID ?The SAP error message S#640, which states "Specify a program ID," typically occurs in the context of SAP's RFC (Remote Function Call) or when dealing with external systems that need to connect to SAP. This error indicates that a required program ID has not been specified in the configuration.
Cause: The error usually arises due to one of the following reasons: Missing Program ID: The program ID that is supposed to be used for the RFC connection is not defined in the SAP system. Incorrect Configuration: The configuration settings for the RFC destination or the external system may be incomplete or incorrect. Connection Issues: There may be issues with the connection setup between the SAP system and the external application.
Solution: To resolve the S#640 error, you can follow these steps: Define the Program ID: Go to transaction code SM59 (RFC Destinations). Check the configuration of the RFC destination you are using. Ensure that the Program ID is specified correctly in
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