How To Fix DO438 - Parameter ID not allowed for data type &

DO438 - Overview

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 438

• Message text: Parameter ID not allowed for data type &

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 DO438 - Parameter ID not allowed for data type & ?

  The SAP error message DO438, which states "Parameter ID not allowed for data type &," typically occurs when there is an attempt to use a parameter ID that is not compatible with the data type of the field or variable being referenced. This can happen in various contexts, such as when working with user parameters, data elements, or field definitions in SAP.
  
  Cause:
  
  Incompatible Data Type: The parameter ID you are trying to use is not valid for the data type of the field. For example, if the field is of a numeric type, but the parameter ID is meant for a character type, this error will occur.
  Incorrect Configuration: The parameter ID may not be properly configured in the system or may not exist for the specified data type.
  Field Definition Issues: The field definition in the data dictionary (DDIC) may not support the parameter ID being used.
  
  
  Solution:
  
  Check Data Type Compatibility: Verify that