How To Fix DDACT017 - Only character-like types can be used in the key

DDACT017 - Overview

• Message type: E = Error

• Message class: DDACT - Messages for Activating Dictionary Objects

• Message number: 017

• Message text: Only character-like types can be used in the key

Self-Explanatory Message

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DDACT017 - Details

• The SAP error message DDACT017 indicates that there is an issue with the data types being used in a key field within a Data Dictionary object, such as a table or a view. Specifically, this error occurs when a non-character-like data type (e.g., numeric or date types) is used as part of a key definition, which is not allowed in SAP.
  
  Cause:
  The primary cause of this error is that the key field(s) defined in a database table or structure must be of character-like types (e.g., CHAR, VARCHAR, STRING). If you attempt to use a numeric type (e.g., INT, DEC) or a date type (e.g., DATS) as part of the key, the system will raise this error.
  
  Solution:
  To resolve the DDACT017 error, you should:
  
  
  Check the Key Fields: Review the definition of the table or structure where the error is occurring. Identify the fields that are defined as keys.
  
  
  Change Data Types: If any of