How To Fix DMU134 - Relationship between &1 and &2 already exists

DMU134 - Overview

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 134

• Message text: Relationship between &1 and &2 already exists

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 DMU134 - Relationship between &1 and &2 already exists ?

  The SAP error message DMU134, which states "Relationship between &1 and &2 already exists," typically occurs in the context of data management, particularly when dealing with master data relationships in SAP systems. This error indicates that there is an attempt to create a relationship between two entities (like materials, vendors, customers, etc.) that already has an existing relationship in the system.
  
  Cause:
  
  Duplicate Relationship: The primary cause of this error is that the relationship you are trying to create already exists in the database. For example, if you are trying to link a material to a vendor, and that link already exists, you will encounter this error.
  Data Entry Error: Sometimes, this can occur due to incorrect data entry or an oversight where the user is not aware that the relationship has already been established.
  System Configuration: In some cases, the system configuration or settings may lead to this error if the relationship rules