im facing an issue with applying asset package to the enterprise gdb

[Angiex__1]

I have exported my asset package which contains the utility network. Then i created an enterprise gdb and tried to perform "Apply Asset package" tool, thats when i faced this error and Im clueless what to do to correct this error.

[MikeMillerGIS · Accepted solution]

You have Devices that are present in a child tier that are not defined in a parent tier.  You need to fix this in the b_subnetwork_devices tier.  Either remove them from the child or add to parent