During testing of a home-build module I created a I/O instance (serial port) but I failed to construct the child instance due to some errors. No big deal you’d say, but I cannot delete the created I/O instances as my attempt to delete these gives the following error:
Could not delete object Flow for Instance #17837 does not exist (Code: -32603)
The instance ID it refers to seems to be the reserved ID for the child that was never/partially created. I cannot delete these, also IPS_DeleteInstance gives a similar result. The Instance ID it refers to is also non-existent.