not working

[avtar312]

Bot is online
Ignoring exception in on_message
Traceback (most recent call last):
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\ext\commands\core.py", line 179, in wrapped
ret = await coro(args, **kwargs)
File "C:\Users\nitin\OneDrive\New folder\bot\EinsteinBot\cogs\main.py", line 35, in search
answerRaw = await cheinsteinpy.answer(url, self.cookie, self.userAgent)
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\cheinsteinpy\api.py", line 47, in answer
htmlRaw = requestPage.requestChapter(url, cookieStr, userAgent, htmlData)
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\cheinsteinpy\requestPage.py", line 42, in requestChapter
chapter_id = str(re.search(r'?id=(\d+).?isbn', html).group(1))
AttributeError: 'NoneType' object has no attribute 'group'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\client.py", line 352, in _run_event
await coro(*args, **kwargs)
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\ext\commands\bot.py", line 375, in on_message
await self.process_commands(message)
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\ext\commands\bot.py", line 372, in process_commands
await self.invoke(ctx)
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\ext\commands\bot.py", line 339, in invoke
await ctx.command.dispatch_error(ctx, exc)
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\ext\commands\core.py", line 537, in dispatch_error
await injected(cog, ctx, error)
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\ext\commands\core.py", line 165, in wrapped
ret = await coro(*args, **kwargs)
File "C:\Users\nitin\OneDrive\New folder\bot\EinsteinBot\cogs\main.py", line 122, in searchError
raise error
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\ext\commands\bot.py", line 335, in invoke
await ctx.command.invoke(ctx)
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\ext\commands\core.py", line 916, in invoke
await injected(*ctx.args, **ctx.kwargs)
File "C:\Users\nitin\AppData\Roaming\Python\Python38\site-packages\discord\ext\commands\core.py", line 188, in wrapped
raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: AttributeError: 'NoneType' object has no attribute 'group'