How To Fix CT717 - Type & is not defined (check entry)

CT717 - Overview

• Message type: E = Error

• Message class: CT - CIM messages: ATAB table accesses

• Message number: 717

• Message text: Type & is not defined (check entry)

What causes this issue?

System does not recognize task list type &V1&.

How to fix this error?

Notify your systems administrator.

Error message extract from SAP system. Copyright SAP SE.

CT717 - Details

• The SAP error message CT717 "Type & is not defined (check entry)" typically occurs when there is an issue with the data type being used in a context where it is not recognized or defined in the system. This can happen in various scenarios, such as when working with data elements, structures, or when defining types in ABAP programs.
  
  Cause:
  
  Undefined Data Type: The data type you are trying to use has not been defined in the system. This could be due to a typo or because the type was never created.
  Missing Type Declaration: If you are using a custom type or structure, it may not have been declared properly in the ABAP Dictionary.
  Transport Issues: If the type was recently transported from another system, it may not have been included in the transport request or may not have been activated in the target system.
  Namespace Issues: If you are using a type from