How To Fix /SAPAPO/TSM790 - The export data source is old. Regenerate the source (planning area: &)

/SAPAPO/TSM790 - Overview

• Message type: E = Error

• Message class: /SAPAPO/TSM -

• Message number: 790

• Message text: The export data source is old. Regenerate the source (planning area: &)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/TSM790 - The export data source is old. Regenerate the source (planning area: &) ?

  The SAP error message /SAPAPO/TSM790 indicates that the export data source for a planning area in SAP Advanced Planning and Optimization (APO) is outdated. This typically occurs when the data structure or the underlying data model has changed, and the export data source needs to be regenerated to reflect these changes.
  
  Cause:
  
  Data Model Changes: Changes in the planning area, such as modifications to key figures, characteristics, or other data structures.
  Versioning Issues: The export data source may not have been updated after changes were made to the planning area.
  System Upgrades: After an upgrade or patch, the existing data sources may become incompatible or outdated.
  
  
  Solution:
  To resolve this error, you need to regenerate the export data source for the specified planning area. Here are the steps to do this:
  
  Access the Transaction: Go to transaction code /SAPAPO/TSM in the SAP GUI.
  Select the Planning Area: Enter the planning area that is mentioned in the error message.
  Regenerate