How To Fix /SAPAPO/OM_TS139 - Key figure is read-only

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_TS -

• Message number: 139

• Message text: Key figure is read-only

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_TS139 - Key figure is read-only ?

  The SAP error message /SAPAPO/OM_TS139 Key figure is read-only typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you attempt to modify a key figure that is defined as read-only in the system. This can happen in various scenarios, such as during planning, data entry, or when trying to update a planning book.
  
  Cause:
  
  Key Figure Configuration: The key figure you are trying to modify is configured as read-only in the planning book or data view. This is often done to prevent changes to certain key figures that are calculated or derived from other data.
  Planning Book Settings: The settings of the planning book may restrict changes to specific key figures based on the planning process or business logic.
  Data Source: The key figure may be sourced from a data source that does not allow modifications, such as a key figure that is derived from a planning function or a