How To Fix C$645 - Parameter input not possible; value asst types specified in Customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 645

• Message text: Parameter input not possible; value asst types specified in Customizing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message C$645 - Parameter input not possible; value asst types specified in Customizing ?

  The SAP error message C$645, which states "Parameter input not possible; value assignment types specified in Customizing," typically occurs when there is a mismatch or misconfiguration in the value assignment types for a particular parameter in the system. This error is often related to the configuration of value assignment types in the Customizing settings of SAP.
  Cause:
  
  Configuration Issues: The error usually arises when the value assignment types that are defined in the Customizing settings do not match the expected input for the parameter in question.
  Missing or Incorrect Value Assignment Types: If the value assignment types are not properly defined or are missing in the Customizing settings, the system will not allow input for that parameter.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to input values for certain parameters, leading to this error.
  
  Solution:
  
  
  Check Customizing Settings:
  
  Go to the Customizing transaction (SPRO) and navigate to the relevant area where value assignment types are defined.
  Ensure that the value assignment types are correctly configured and that they match the expected input for the parameter you are trying to use.
  
  
  
  Review Value Assignment Types:
  
  Verify that the value assignment types are correctly assigned to the relevant objects or parameters.
  If necessary, create or modify the value assignment types to ensure they are correctly set up.
  
  
  
  User Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to input values for the parameter.
  If the user lacks the required authorizations, work with your SAP security team to grant the necessary access.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the value assignment types relevant to your configuration.
  
  
  
  Testing:
  
  After making changes, test the input again to see if the error persists. If it does, further investigation may be needed.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO (Customizing), SE11 (Data Dictionary), or SE37 (Function Modules) to investigate the issue further.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be beneficial to engage with your SAP support team or a consultant who specializes in SAP configuration for more in-depth troubleshooting.