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

/SAPAPO/DC_MSG157 - Overview

• 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

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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/SAPAPO/DC_MSG157 - Details

• 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