How To Fix /SAPAPO/SDP101 - No constraint can be set for selected key figure

/SAPAPO/SDP101 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SDP -

• Message number: 101

• Message text: No constraint can be set for selected key figure

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.

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/SAPAPO/SDP101 - Details

• The SAP error message /SAPAPO/SDP101 No constraint can be set for selected key figure typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when working with the Supply Network Planning (SNP) or Demand Planning (DP) modules. This error indicates that there is an issue with setting constraints for a specific key figure in your planning book or data view.
  Causes:
  
  Key Figure Configuration: The key figure you are trying to set constraints for may not be configured to allow constraints. Some key figures are defined as "non-constrained" in the system.
  Planning Book Settings: The planning book or data view may not be set up correctly to allow constraints for the selected key figure.
  Data Type Mismatch: The data type of the key figure may not support constraints. For example, if the key figure is defined as a "character" type, constraints cannot be applied.
  Authorization Issues: There may be authorization issues preventing