How To Fix /SAPAPO/PROD023 - Input-/output indicator does not exist -> F4

/SAPAPO/PROD023 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PROD -

• Message number: 023

• Message text: Input-/output indicator does not exist -> F4

Self-Explanatory Message

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/SAPAPO/PROD023 - Details

• The SAP error message /SAPAPO/PROD023 Input-/output indicator does not exist -> F4 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user tries to access or input a value for an input/output indicator that is not defined in the system.
  
  Cause:
  
  Missing Configuration: The input/output indicator you are trying to use has not been defined in the system. This could be due to a missing configuration in the APO system.
  Incorrect Master Data: The master data related to the product or location may not have the necessary input/output indicators set up.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or use certain indicators.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP APO and verify if the input/output indicators are defined correctly.
  You can check the settings in the transaction code /SAPAPO/MC90 (for configuration of the planning area) or /SAPAPO/MC94 (for the planning book).
  
  
  
  Define Input/Output Indicators:
  
  If the