How To Fix DMU137 - Relationship type &1 does not allow any links bewteen node type &2 and &3

DMU137 - Overview

• Message type: E = Error

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

• Message number: 137

• Message text: Relationship type &1 does not allow any links bewteen node type &2 and &3

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 DMU137 - Relationship type &1 does not allow any links bewteen node type &2 and &3 ?

  The SAP error message DMU137 indicates that there is an issue with the relationship type defined in the Data Modeler (DM) when trying to create a link between two node types. Specifically, it means that the relationship type you are trying to use does not permit links between the specified node types.
  
  Cause:
  
  Invalid Relationship Type: The relationship type you are trying to use does not support the combination of the two node types you are attempting to link.
  
  Configuration Issues: The configuration of the relationship types in the Data Model may not have been set up correctly to allow the desired connections.
  Data Model Constraints: There may be constraints defined in the data model that restrict certain types of relationships between node types.
  
  
  Solution:
  
  
  Check Relationship Type Configuration:
  
  Go to the Data Modeler and check the configuration of the relationship type (&1). Ensure that it is set up to allow links between the specified node types