Geeting this error while hosting

https://chatty-ai-bot.streamlit.app/ -applink
GitHub - Srinivas-2410/streamlit-app -github repo
getting this error while trying to host
ModuleNotFoundError: This app has encountered an error. The original error message is redacted to prevent data leaks. Full error details have been recorded in the logs (if you’re on Streamlit Cloud, click on ‘Manage app’ in the lower right of your app).

Traceback:

File "/home/adminuser/venv/lib/python3.12/site-packages/streamlit/runtime/scriptrunner/exec_code.py", line 88, in exec_func_with_error_handling
    result = func()
             ^^^^^^File "/home/adminuser/venv/lib/python3.12/site-packages/streamlit/runtime/scriptrunner/script_runner.py", line 590, in code_to_exec
    exec(code, module.__dict__)File "/mount/src/streamlit-app/qachat.py", line 1, in <module>
    from dotenv import load_dotenv