How To Fix S#640 - Specify a program ID

S#640 - Overview

• Message type: E = Error

• Message class: S# -

• Message number: 640

• Message text: Specify a program ID

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 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