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

C$645 - Overview

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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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