How To Fix GP401 - Planning parameters & have been deleted

GP401 - Overview

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 401

• Message text: Planning parameters & have been deleted

What causes this issue?

The system has carried out the function you selected. The planning
parameters &V1& no longer exist in the system.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

GP401 - Details

• The SAP error message GP401, which states "Planning parameters have been deleted," typically occurs in the context of SAP's planning and forecasting modules, such as SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO). This error indicates that the planning parameters required for a specific planning run or operation are missing or have been deleted from the system.
  Causes:
  
  Deletion of Planning Parameters: The planning parameters that were previously set up for a planning area or planning object have been deleted, either intentionally or accidentally.
  Configuration Changes: Changes in the configuration of the planning area or planning object may lead to the removal of necessary parameters.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), it is possible that the transport did not include the necessary planning parameters.
  Data Consistency Issues: There may be inconsistencies in the data that lead to the system not being