Failed instances with heading "Primary Identifier: undefined" in the monitoring/tracking area

Summary

Failed instances with heading "Primary Identifier: undefined" in the monitoring/tracking area next to a succesful instance for the same integration of type basic routing

Content

The launch of an integration of type basic routing result next to a succesful instance also in a failed insatnce with the following heading:
Primary Identifier: undefined | 3200186 (latter is the instance id)
Note that there is also a succesful instance with heading:
name: Paco Instance ID: 4000090
Hello World Map Data Invoke | 1.1.0 Completed
Where does this failed instance for the Hello World Map Data Invoke integration coming from - why are there two instances - one succesful and one failed?