How To Fix /SAPAPO/RSP01521 - Start of deallocation (order &2)

/SAPAPO/RSP01521 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RSP01 -

• Message number: 521

• Message text: Start of deallocation (order &2)

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RSP01521 - Start of deallocation (order &2) ?

  The SAP error message /SAPAPO/RSP01521 Start of deallocation (order &2) typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue related to the deallocation of orders in the system. This error can arise due to various reasons, including configuration issues, data inconsistencies, or system settings.
  
  Cause:
  
  Order Status: The order may not be in a status that allows for deallocation. For example, if the order is already completed or has been canceled, the system may not allow deallocation.
  Data Inconsistencies: There may be inconsistencies in the data related to the order, such as missing or incorrect information in the order details.
  
  Configuration Issues: The settings in the APO system may not be configured correctly to allow for deallocation of the specific order type.
  Locking Issues: The order might be locked by another process or user, preventing deallocation from occurring.
  
  
  Solution:
  
  Check Order Status: Verify the status of the order in