Waiting for app to start... FAILED Start unsuccessful

[sfmishra]

Trying the steps mentioned but getting stuck at the deploying step, everything was fine till build stage but it keep getting failed on Deploy Stage with below logs

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4 certifi-2021.10.8 charset-normalizer-2.0.9 click-8.0.3 flask-cors-3.0.8 flask-socketio-4.2.1 ibm-cloud-sdk-core-3.13.2 ibm-watson-5.2.3 idna-3.3 itsdangerous-2.0.1 python-dateutil-2.8.2 python-dotenv-0.10.3 python-engineio-4.3.0 python-socketio-5.5.0 requests-2.26.0 urllib3-1.26.7 websocket-client-1.1.0
Exit status 0
Uploading droplet, build artifacts cache...
Uploading droplet...
Uploading build artifacts cache...
Uploaded build artifacts cache (59.5M)
Uploaded droplet (61.3M)
Uploading complete
Cell e4eb1323-6734-49f0-9d69-c2dbd4a1bc71 stopping instance 6493d65c-4e88-4a76-8b13-8a4da8c94fb2
Cell e4eb1323-6734-49f0-9d69-c2dbd4a1bc71 destroying container for instance 6493d65c-4e88-4a76-8b13-8a4da8c94fb2
Cell e4eb1323-6734-49f0-9d69-c2dbd4a1bc71 successfully destroyed container for instance 6493d65c-4e88-4a76-8b13-8a4da8c94fb2

Waiting for app to start...
FAILED
Start unsuccessful

TIP: use 'cf logs watson-voice-bot-001 --recent' for more information
Job execution ended at Tue Dec 21 06:07:34 UTC 2021

Finished: FAILED

reached out to so many people even posted it issue with Watson group but no one care to respond, can anyone help me resolve this issue, I am very new to Watson so have very minimal knowledge.