How To Fix /SAPAPO/PINV020 - Planning type must either be constant or not constant - not %1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PINV -

• Message number: 020

• Message text: Planning type must either be constant or not constant - not %1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PINV020 - Planning type must either be constant or not constant - not %1 ?

  The SAP error message /SAPAPO/PINV020 indicates an issue with the planning type configuration in the Advanced Planning and Optimization (APO) module. This error typically arises when the planning type is not set correctly in the context of the planning process you are trying to execute.
  Cause:
  The error message states that the planning type must either be constant or not constant, but it is currently set to an invalid value (%1). This can occur due to several reasons:
  
  Incorrect Configuration: The planning type may not be configured correctly in the system.
  Data Inconsistency: There may be inconsistencies in the master data or planning data that lead to this error.
  Planning Area Settings: The settings in the planning area may not align with the requirements of the planning type being used.
  User Input Error: The user may have inadvertently selected an incorrect planning type during the planning process.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Planning Type Configuration:
  
  Go to the configuration settings for the planning type in the APO system.
  Ensure that the planning type is set as either constant or not constant as required by your planning scenario.
  
  
  
  Review Planning Area Settings:
  
  Verify the settings of the planning area associated with the planning type.
  Ensure that the planning type is correctly defined in the planning area.
  
  
  
  Validate Master Data:
  
  Check the master data related to the planning type and ensure that it is consistent and correctly maintained.
  Look for any discrepancies that might be causing the error.
  
  
  
  User Input Verification:
  
  If the error occurred during a user action, verify that the user has selected the correct planning type.
  Provide training or documentation to users to avoid incorrect selections in the future.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on the planning type and its requirements.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the incorrect value is being set or passed.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/SDP94 (for planning book) or /SAPAPO/MC62 (for planning area) to access and modify planning type settings.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.