Email incoming error

I am receiving this error any idea?

and also some of the email attachments are not downloaded too (like zip files)

Traceback (most recent call last):
File “/usr/home/frappe/frappe-bench/apps/frappe/frappe/utils/background_jobs.py”, line 106, >in execute_job
method(**kwargs)
File “/usr/home/frappe/frappe->bench/apps/frappe/frappe/email/doctype/email_account/email_account.py”, line 703, in >pull_from_email_account
email_account.receive()
File “/usr/home/frappe/frappe->bench/apps/frappe/frappe/email/doctype/email_account/email_account.py”, line 454, in >receive
raise Exception(frappe.as_json(exceptions))
Exception: [
“Traceback (most recent call last):\n File “/usr/home/frappe/frappe->bench/apps/frappe/frappe/email/doctype/email_account/email_account.py”, line 435, in >receive\n communication.send_email(is_inbound_mail_communcation=True)\n File >”/usr/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/communication/mixins.py", line 302, in send_email\n is_inbound_mail_communcation=is_inbound_mail_communcation\n File “/usr/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/communication/mixins.py”, line 263, in sendmail_input_dict\n include_sender = send_me_a_copy\n File “/usr/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/communication/mixins.py”, line 95, in get_mail_cc_with_displayname\n return [self.get_email_with_displayname(email) for email in cc_list]\n File “/usr/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/communication/mixins.py”, line 95, in \n return [self.get_email_with_displayname(email) for email in cc_list]\n File “/usr/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/communication/mixins.py”, line 30, in get_email_with_displayname\n display_name, email = parse_addr(email_address)\n File “/usr/home/frappe/frappe-bench/apps/frappe/frappe/utils/init.py”, line 572, in parse_addr\n email_list = re.findall(email_regex, email_string)\n File “/usr/home/frappe/frappe-bench/env/lib/python3.7/re.py”, line 225, in findall\n return _compile(pattern, flags).findall(string)\nTypeError: expected string or bytes-like object\n"
]