TC_DMR_RET_017_TS producing an error

TC_DMR_RET_017_TS producing an error after the successful creation of MyAe2 resource.

Error: wrong union variant subscription:
	...
	at LibOneM2M/OneM2M_Functions.ttcn:**Line 4559**:5:4561:6
	at LibOneM2M/OneM2M_Functions.ttcn:1637:5:1637:97
	at OneM2M_PermutationFunctions.ttcn:4871:8:4871:84
	at OneM2M_PermutationFunctions.ttcn:4836:185:4916:7