Existing `nixbld` user with custom UID different than planned.

[yukini2009]

trafficstars

Error

Error: 
   0: Planner error
   1: Error executing action
   2: Action `create_group` errored
   3: Group `nixbld` existed but had a different gid (998) than planned (30000)

Metadata

key	value
version	0.16.0
os	linux
arch	x86_64

[Hoverbear]

If you are installing over an existing install (Which you seem to be) you can pass --nix-build-group-id with the id of the existing nixbld group.