Couldn't publish provider

[mshlmv]

Hello. I run citizen in docker and try to publish provider, but get error

root@d34a8414e8aa:/citizen/vcd# citizen provider vmware vcd 3.5.1 5.0
✔ validate required files in /citizen/vcd
  Found:
	vmware-vcd_3.5.1_linux_amd64.zip
✔ generate vmware-vcd_3.5.1_SHA256SUMS file
✔ sign vmware-vcd_3.5.1_SHA256SUMS file with gpg
✔ retriving GPG public key for your GPG
✖ publish vmware/vcd/3.5.1
RequestError
Unexpected token < in JSON at position 0

[trix32641]

i met this issue when used main branch (latest). When i use this version:
git checkout 67ddf3f
this error gone and i successfully uploaded provider zip file into citizen server.