How To Fix DDLS208 - CASE for column &/(&): Function & does not supply a valid data type

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 208

• Message text: CASE for column &/(&): Function & does not supply a valid 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS208 - CASE for column &/(&): Function & does not supply a valid data type ?

  The SAP error message DDLS208 indicates that there is an issue with a column definition in a database table or view where a function is being used, but the function does not return a valid data type. This error typically occurs during the definition of a database object in the Data Dictionary (DDLS) when the system is unable to determine a valid data type for a column based on the function specified.
  
  Cause:
  
  Invalid Function Return Type: The function used in the column definition does not return a data type that is acceptable for the column. This could be due to the function returning a complex type or a type that is not supported in the context of the database table.
  Function Not Defined Properly: The function may not be defined correctly in the system, or it may not be accessible in the context where it is being called.
  Database Compatibility: The function might