Solution : https://service.sap.com/sap/support/notes/979020 (SAP Service marketplace login required)
Key words :
utilities -> convert class-local types, class include structure manually, local test classes, local class implementations, program termination occurs, red traffic light, class include structure, test class include, cl include exists, call transaction se91
Related Notes :
978398 | Changing the class include structure using SNOTE/SCWB |