How To Fix /RPM/PLANNING420 - No mapping for value type &1 and initial cost category

/RPM/PLANNING420 - Overview

• Message type: E = Error

• Message class: /RPM/PLANNING -

• Message number: 420

• Message text: No mapping for value type &1 and initial cost category

Self-Explanatory Message

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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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/RPM/PLANNING420 - Details

• The SAP error message /RPM/PLANNING420 No mapping for value type &1 and initial cost category typically occurs in the context of SAP's Resource and Portfolio Management (RPM) module, particularly when dealing with planning and budgeting processes. This error indicates that there is a missing mapping for a specific value type and cost category combination in the system.
  
  Cause:
  
  
  Missing Configuration: The error usually arises when there is no defined mapping for the specified value type (&1) and the initial cost category in the system configuration. This can happen if the necessary settings have not been completed in the customizing settings for RPM.
  
  
  Incorrect Value Type or Cost Category: The value type or cost category being referenced may not exist or may have been incorrectly defined in the system.
  
  
  Data Migration Issues: If data has been migrated from another system or if there have been changes in the configuration, it may lead to inconsistencies that