How To Fix /SAPAPO/SPPDRPSB020 - Release schedule lines (&1) cannot be copied (schedule line: &2)

/SAPAPO/SPPDRPSB020 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SPPDRPSB -

• Message number: 020

• Message text: Release schedule lines (&1) cannot be copied (schedule line: &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/SPPDRPSB020 - Release schedule lines (&1) cannot be copied (schedule line: &2) ?

  The SAP error message /SAPAPO/SPPDRPSB020 indicates that there is an issue with copying release schedule lines in the SAP Advanced Planning and Optimization (APO) module, specifically in the context of Demand Planning or Supply Network Planning. The error message typically includes two placeholders: &1 for the release schedule lines and &2 for the specific schedule line that is causing the issue.
  Cause
  The error can occur due to several reasons, including:
  
  Inconsistent Data: The release schedule lines may have inconsistent or missing data that prevents them from being copied.
  Locked Objects: The schedule line or related objects may be locked by another process or user, preventing the copy operation.
  
  Configuration Issues: There may be configuration settings in the APO system that are not set up correctly, leading to issues with copying schedule lines.
  Invalid Schedule Line: The specific schedule line referenced may not exist or may have been deleted or modified in a way that makes