How To Fix /SAPAPO/DC_MSG157 - Only data from tree &1 can be reloaded now

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DC_MSG -

• Message number: 157

• Message text: Only data from tree &1 can be reloaded now

Self-Explanatory Message

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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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DC_MSG157 - Only data from tree &1 can be reloaded now ?

  The SAP error message /SAPAPO/DC_MSG157 indicates that there is an issue with the data reload process in the SAP Advanced Planning and Optimization (APO) module. Specifically, the message states that only data from a specific tree (denoted as &1) can be reloaded at that moment. This typically occurs in the context of planning areas and data structures within the APO system.
  Cause:
  
  Data Locking: The data you are trying to reload may be locked due to ongoing processes or transactions. This can happen if another user or process is currently working with the same planning area or data structure.
  Incorrect Planning Area: The planning area you are trying to reload data into may not match the tree structure that is currently active or available for reloading.
  Configuration Issues: There may be configuration issues with the planning area or the data trees that are set up in the APO system.
  Data Consistency: The system may have detected inconsistencies in the data that prevent the reload from occurring.
  
  Solution:
  
  Check Locks: Verify if there are any locks on the data or planning area. You can use transaction codes like SM12 to check for locks and release them if necessary.
  Correct Planning Area: Ensure that you are working with the correct planning area and that it corresponds to the tree structure you are trying to reload.
  Review Configuration: Check the configuration of the planning area and the associated data trees. Make sure they are set up correctly and that there are no discrepancies.
  Data Consistency Check: Run consistency checks on the data to ensure that there are no issues that could be causing the reload to fail. This can often be done through specific APO transactions or reports.
  Restart the Process: If the issue persists, try restarting the data reload process or the entire APO system if feasible.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/OM17 (for planning area configuration) and /SAPAPO/OM00 (for overall planning area management).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review the SAP APO documentation for best practices on data management and reload processes to ensure compliance with system requirements.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or APO support team for further assistance.