How To Fix /SAPPO/ACR124 - &1: Messages regarding POSNR do not ascend by 1

/SAPPO/ACR124 - Overview

• Message type: E = Error

• Message class: /SAPPO/ACR -

• Message number: 124

• Message text: &1: Messages regarding POSNR do not ascend by 1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPPO/ACR124 - &1: Messages regarding POSNR do not ascend by 1 ?

  The SAP error message /SAPPO/ACR124 &1: Messages regarding POSNR do not ascend by 1 typically occurs in the context of Purchase Order (PO) processing, particularly when dealing with item numbers (POSNR) in a purchase order. This error indicates that the item numbers in the purchase order do not follow a sequential order, which is a requirement for certain processes in SAP.
  
  Cause:
  
  Non-sequential POSNR: The primary cause of this error is that the item numbers (POSNR) in the purchase order are not in ascending order. For example, if you have items numbered 10, 20, and 30, the system expects them to be 10, 11, 12, etc.
  Manual Entry Errors: If items are added manually, there may be a mistake in the numbering.
  Data Migration Issues: If data was migrated from another system, the item numbers may not have been set up correctly.
  Custom Logic: Custom enhancements or user exits may inadvertently cause item numbers to