SAP Message C1188 - The data type already exists

Diagnosis
You entered a user-defined data type that already exists and chose thefunction for creating a type.

System Response
Your entry is ignored.

Procedure
If you want to create a data type, choose a description that has notyet been assigned. If you want to process the data type you entered,select it from the list of existing data types and choose "Display","Change", or "Delete".