How To Fix DT247 - Field & cannot be used as key field because no default exists for type &

DT247 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 247

• Message text: Field & cannot be used as key field because no default exists for 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT247 - Field & cannot be used as key field because no default exists for type & ?

  The SAP error message DT247 indicates that a field cannot be used as a key field because there is no default value defined for the specified data type. This typically occurs when you are trying to define a key field in a database table or a structure, and the system requires a default value for that field's data type.
  
  Cause:
  
  Missing Default Value: The field you are trying to use as a key does not have a default value assigned in the data dictionary.
  Data Type Issues: The data type of the field may not support being a key field without a default value.
  Field Configuration: The field may not be properly configured in the data dictionary (e.g., it might be a reference field or a field that requires a specific configuration).
  
  
  Solution:
  
  
  Define a Default Value:
  
  Go to the Data Dictionary (transaction SE11).
  Find the table or structure where the field is defined.
  Open the field definition and