How To Fix /SAPAPO/OM_ERROR019 - Invalid constraint relation type (incorrect relationship)

/SAPAPO/OM_ERROR019 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 019

• Message text: Invalid constraint relation type (incorrect relationship)

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 /SAPAPO/OM_ERROR019 - Invalid constraint relation type (incorrect relationship) ?

  The SAP error message /SAPAPO/OM_ERROR019 indicates that there is an issue with the constraint relation type in the Advanced Planning and Optimization (APO) module. This error typically arises when there is an invalid or incorrect relationship defined between objects in the planning model, such as between products, resources, or other entities.
  
  Cause:
  
  Invalid Relationship Definition: The relationship type defined in the planning model does not match the expected types for the objects involved. For example, a relationship that is not allowed between certain product types or resource types.
  Data Inconsistencies: There may be inconsistencies in the master data or planning data that lead to invalid relationships.
  
  Configuration Issues: Incorrect configuration settings in the APO system can lead to this error, especially if the relationship types are not properly defined in the system.
  Missing or Incorrect Constraints: If constraints are not defined correctly or are missing, it can lead to this error.
  
  
  Solution:
  
  Check Relationship Definitions: Review the