Getting this error while deploying on render.com

File "/opt/render/project/src/main.py", line 249, in
UserBot.start()
File "/opt/render/project/src/.venv/lib/python3.9/site-packages/pyrogram/sync.py", line 66, in async_to_sync_wrap
return loop.run_until_complete(coroutine)
File "/opt/render/project/python/Python-3.9.4/lib/python3.9/asyncio/base_events.py", line 642, in run_until_complete
return future.result()
File "/opt/render/project/src/.venv/lib/python3.9/site-packages/pyrogram/methods/utilities/start.py", line 52, in start
is_authorized = await self.connect()
File "/opt/render/project/src/.venv/lib/python3.9/site-packages/pyrogram/methods/auth/connect.py", line 39, in connect
await self.load_session()
File "/opt/render/project/src/.venv/lib/python3.9/site-packages/pyrogram/client.py", line 674, in load_session
await self.storage.open()
File "/opt/render/project/src/.venv/lib/python3.9/site-packages/pyrogram/storage/memory_storage.py", line 38, in open
dc_id, test_mode, auth_key, user_id, is_bot = struct.unpack(
struct.error: unpack requires a buffer of 267 bytes