Docker pull issue for a software tychus/assembly module

udo docker pull abdolab/tychus-assembly
[sudo] password:
Using default tag: latest
latest: Pulling from abdolab/tychus-assembly
b3e1c725a85f: Already exists
4daad8bdde31: Already exists
63fe8c0068a8: Already exists
4a70713c436f: Already exists
bd842a2105a8: Already exists
f7b83705331b: Pull complete
040e9fb722e8: Downloading [=====================================> ] 153.2MB/205.2MB
5ea286e32f2a: Download complete
4f5e4e724131: Download complete
43419d7ef3e7: Downloading [==========> ] 143.4MB/669.7MB
3e84488ddcb2: Download complete
87a3d52abacf: Downloading
e135eb35057b: Waiting
48ff4a2c0ec3: Waiting
67007af7d25f: Waiting
7d9d56220ac8: Waiting
4dc87af1ccf3: Waiting
846d20600e27: Waiting
unauthorized: authentication required

I am getting this error while trying to pull tychus assembly module from docker .
There was no error for the alignment module pull.
And docker pull works fine with or without sudo .I already checked that.

Please let me know how can i resolve this issue.

These are my docker version info

Client: Docker Engine - Community
Version: 20.10.12
API version: 1.41
Go version: go1.16.12
Git commit: e91ed57
Built: Mon Dec 13 11:45:27 2021
OS/Arch: linux/amd64
Context: default
Experimental: true

Server: Docker Engine - Community
Engine:
Version: 20.10.12
API version: 1.41 (minimum version 1.12)
Go version: go1.16.12
Git commit: 459d0df
Built: Mon Dec 13 11:43:36 2021
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.4.12
GitCommit: 7b11cfaabd73bb80907dd23182b9347b4245eb5d
runc:
Version: 1.0.2
GitCommit: v1.0.2-0-g52b36a2
docker-init:
Version: 0.19.0
GitCommit: de40ad0