How To Fix DT110 - Enter a valid table type (Type & not known)

DT110 - Overview

• Message type: E = Error

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

• Message number: 110

• Message text: Enter a valid table type (Type & not known)

What causes this issue?

An incorrect entry was made for the table type of table DD02V.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Try to change the table type to the correct type using the table
maintenance Transaction SE11.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT110 - Enter a valid table type (Type & not known) ?

  The SAP error message DT110, which states "Enter a valid table type (Type & not known)," typically occurs when you are trying to define or use a table type in ABAP (Advanced Business Application Programming) that is not recognized by the system. This can happen in various contexts, such as when defining data structures, creating function modules, or working with data dictionary objects.
  
  Cause:
  
  Invalid Table Type: The specified table type does not exist in the system. This could be due to a typo or because the table type has not been created yet.
  Namespace Issues: If you are using a custom table type, it may not be in the correct namespace or may not be activated.
  Transport Issues: If the table type was recently transported from another system, it may not have been properly imported or activated in the target system.
  Authorization Issues: Lack of proper authorizations to access certain table types can also