How To Fix /SAPAPO/CURTO_UI123 - Minimum of one Activity Relationship Should exist

/SAPAPO/CURTO_UI123 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CURTO_UI -

• Message number: 123

• Message text: Minimum of one Activity Relationship Should exist

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/CURTO_UI123 - Minimum of one Activity Relationship Should exist ?

  The SAP error message /SAPAPO/CURTO_UI123 Minimum of one Activity Relationship Should exist typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you are trying to create or modify a project or a planning object that requires at least one activity relationship to be defined. This error indicates that the system expects at least one relationship between activities to be established, but none exists.
  
  Cause:
  
  Missing Activity Relationships: The primary cause of this error is that the planning object (like a project or a production order) does not have any defined relationships between its activities. In SAP APO, activity relationships are crucial for defining the sequence and dependencies of tasks.
  Incorrect Configuration: There may be a configuration issue where the system is not recognizing existing relationships due to incorrect settings or data inconsistencies.
  Data Entry Error: During the creation or modification of the planning object, the user may have overlooked entering