How To Fix UMK026 - Partner name must begin with "/"

UMK026 - Overview

• Message type: E = Error

• Message class: UMK - Measures

• Message number: 026

• Message text: Partner name must begin with "/"

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 UMK026 - Partner name must begin with "/" ?

  The SAP error message UMK026, which states "Partner name must begin with '/'," typically occurs in the context of partner profiles or master data in SAP systems, particularly when dealing with IDocs or EDI (Electronic Data Interchange) configurations. This error indicates that the partner name you are trying to use does not conform to the expected format.
  
  Cause:
  
  Incorrect Partner Name Format: The partner name must start with a forward slash ("/"). This is a requirement in certain configurations, especially when defining logical systems or partner profiles in SAP.
  Data Entry Error: The partner name may have been entered incorrectly, missing the leading slash.
  
  Configuration Issues: There may be issues in the configuration of the partner profiles or logical systems that are causing the system to expect a specific format.
  
  
  Solution:
  
  Check Partner Name: Ensure that the partner name you are entering starts with a forward slash ("/"). For example, if the partner name is supposed