ORA-04109
An import named string already exists in the MLE environment.
Cause
An attempt was made to add an import whose name conflicted with an existing import in the Multilingual Engine (MLE) environment.
Action
Use a different import name, alter the existing import using ALTER IMPORTS, or drop the existing import before adding the new one. The data dictionary view ALL_MLE_ENV_IMPORTS lists the imports for all MLE environments accessible to the current user.