How To Fix /SAPCEM/BAPI001 - Sender/Recipient &1 requires entry of external customer

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPCEM/BAPI -

• Message number: 001

• Message text: Sender/Recipient &1 requires entry of external customer

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPCEM/BAPI001 - Sender/Recipient &1 requires entry of external customer ?

  The SAP error message /SAPCEM/BAPI001 Sender/Recipient &1 requires entry of external customer typically occurs in the context of using BAPIs (Business Application Programming Interfaces) for customer-related transactions. This error indicates that the system requires an external customer number for the sender or recipient specified in the transaction, but it has not been provided.
  
  Cause:
  
  Missing External Customer Number: The most common cause of this error is that the external customer number is not provided in the BAPI call or transaction.
  Incorrect Configuration: There may be configuration issues in the system that prevent the external customer number from being recognized or processed correctly.
  Data Entry Errors: There could be a mistake in the data being passed to the BAPI, such as incorrect field mapping or missing required fields.
  
  
  Solution:
  
  
  Provide External Customer Number: Ensure that the external customer number is included in the BAPI call. Check the parameters being passed to the BAPI and make sure that