How To Fix ML4HMIGRATION004 - Error when calling RFC &1: &2&3&4

ML4HMIGRATION004 - Overview

• Message type: E = Error

• Message class: ML4HMIGRATION - Message Class for ML4H Migration Tools

• Message number: 004

• Message text: Error when calling RFC &1: &2&3&4

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 ML4HMIGRATION004 - Error when calling RFC &1: &2&3&4 ?

  The SAP error message ML4HMIGRATION004 typically occurs during the migration of material master data, particularly when using the Migration Cockpit or similar tools. This error indicates that there was an issue when calling a Remote Function Call (RFC) during the migration process.
  
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  RFC Destination Issues: The RFC destination might not be correctly configured or reachable.
  Authorization Problems: The user executing the migration may not have the necessary authorizations to perform the operation.
  Data Issues: There may be inconsistencies or errors in the data being migrated, such as missing mandatory fields or incorrect data formats.
  System Configuration: There could be configuration issues in the SAP system that prevent the RFC from executing properly.
  Network Issues: Network connectivity problems between the systems involved in the RFC call.
  
  
  Solution:
  To resolve the ML4HMIGRATION004 error, you can take the following steps:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the