Purchase Invoice cannot be made against an existing asset ACC-ASS-2021-00001

I have a demo scheduled next week…
to use ERPNext as our CMMS.
But I have found it impossible to get our existing capital equipment into Assets.
it just keeps telling me I cannot for a million stupid reasons…
Gross Purchase Amount cannot be zero…
pulling my hair out here

@courtdbest, welcome to the community.

Mark the Version of OS, ERPNext and Frappe in the Post.

Go through this thread. Hope it will help.