IZPPL0336E XML schema with name '%1$s' already exists in subsystem '%2$s'. Use a different name or update the existing schema.
Explanation
When the user tries to register or add an XML schema with a name that already exists in the subsystem, an error is displayed.
System action
The system stops the current operation and notifies the user that the entered schema name already exists in the subsystem.
User response
The user needs to provide a different name for the XML schema and retry the operation.