Heroku Log showing error and crashed

[rockzy77]

2021-06-21T06:52:55.372722+00:00 app[worker.1]: Traceback (most recent call last):
2021-06-21T06:52:55.372729+00:00 app[worker.1]: File "/usr/lib/python3.7/runpy.py", line 193, in _run_module_as_main
2021-06-21T06:52:55.372734+00:00 app[worker.1]: "main", mod_spec)
2021-06-21T06:52:55.372741+00:00 app[worker.1]: File "/usr/lib/python3.7/runpy.py", line 85, in _run_code
2021-06-21T06:52:55.372742+00:00 app[worker.1]: exec(code, run_globals)
2021-06-21T06:52:55.372742+00:00 app[worker.1]: File "/app/MusicBot/main.py", line 38, in
2021-06-21T06:52:55.372747+00:00 app[worker.1]: run()
2021-06-21T06:52:55.372750+00:00 app[worker.1]: File "/usr/local/lib/python3.7/dist-packages/pytgcalls/pytgcalls.py", line 186, in run
2021-06-21T06:52:55.372751+00:00 app[worker.1]: self._app.start()
2021-06-21T06:52:55.372751+00:00 app[worker.1]: File "/usr/local/lib/python3.7/dist-packages/pyrogram/sync.py", line 56, in async_to_sync_wrap
2021-06-21T06:52:55.372752+00:00 app[worker.1]: return loop.run_until_complete(coroutine)
2021-06-21T06:52:55.372752+00:00 app[worker.1]: File "/usr/lib/python3.7/asyncio/base_events.py", line 584, in run_until_complete
2021-06-21T06:52:55.372752+00:00 app[worker.1]: return future.result()
2021-06-21T06:52:55.372753+00:00 app[worker.1]: File "/usr/local/lib/python3.7/dist-packages/pyrogram/methods/utilities/start.py", line 53, in start
2021-06-21T06:52:55.372753+00:00 app[worker.1]: is_authorized = await self.connect()
2021-06-21T06:52:55.372754+00:00 app[worker.1]: File "/usr/local/lib/python3.7/dist-packages/pyrogram/methods/auth/connect.py", line 39, in connect
2021-06-21T06:52:55.372754+00:00 app[worker.1]: await self.load_session()
2021-06-21T06:52:55.372754+00:00 app[worker.1]: File "/usr/local/lib/python3.7/dist-packages/pyrogram/client.py", line 669, in load_session
2021-06-21T06:52:55.372755+00:00 app[worker.1]: await self.storage.open()
2021-06-21T06:52:55.372755+00:00 app[worker.1]: File "/usr/local/lib/python3.7/dist-packages/pyrogram/storage/memory_storage.py", line 41, in open
2021-06-21T06:52:55.372755+00:00 app[worker.1]: self.name + "=" * (-len(self.name) % 4)
2021-06-21T06:52:55.372756+00:00 app[worker.1]: struct.error: unpack requires a buffer of 263 bytes

what to do
I placed all the config vars correctly

[roobini-gamer]

same

[kishannn07]

same

Use new api and string session along with new bot token problem solved