How To Fix PP_MRP_ODATA018 - Cannot change values of new proposal; change request does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: PP_MRP_ODATA - OData Services for MRP/MRP Cockpit

• Message number: 018

• Message text: Cannot change values of new proposal; change request does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PP_MRP_ODATA018 - Cannot change values of new proposal; change request does not exist ?

  The SAP error message PP_MRP_ODATA018 ("Cannot change values of new proposal; change request does not exist") typically occurs in the context of Material Requirements Planning (MRP) when a user attempts to modify a proposal that has not been properly saved or does not have an associated change request. This error can arise in various scenarios, such as during the planning run or when trying to adjust planned orders or purchase requisitions.
  Causes:
  
  Missing Change Request: The proposal you are trying to modify does not have an associated change request. In SAP, certain changes require a change request to be created and linked to the proposal.
  Incorrect User Permissions: The user may not have the necessary permissions to modify the proposal.
  System Configuration Issues: There may be configuration settings in the MRP or related modules that are preventing changes to proposals.
  Data Locking: The proposal might be locked by another user or process, preventing modifications.
  
  Solutions:
  
  Check Change Request: Ensure that the proposal you are trying to modify has an associated change request. If it does not, you may need to create one or check the process that generates proposals to ensure it includes change requests.
  User Permissions: Verify that you have the necessary permissions to make changes to the proposal. If not, contact your SAP administrator to adjust your user roles.
  Review Configuration: Check the MRP configuration settings in your SAP system. Ensure that the settings allow for the modification of proposals as needed.
  Unlock Data: If the proposal is locked, identify the user or process that is holding the lock and resolve the issue. You can use transaction codes like SM12 to check for locks.
  Consult Documentation: Review SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List), MD02 (MRP Run), and MD05 (MRP List) to analyze the proposals and their statuses.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. You can search for the error message number or related keywords in the SAP Support Portal.
  MRP Process: Understanding the MRP process and how proposals are generated and managed can help in troubleshooting this error effectively.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further assistance.