Cannot drop database

When i tried to drop a site from frappe-bench using

bench drop-site sitename.domain.com

Error message appears

Traceback (most recent call last):
File “/usr/lib/python2.7/runpy.py”, line 174, in _run_module_as_main
main”, fname, loader, pkg_name)
File “/usr/lib/python2.7/runpy.py”, line 72, in _run_code
exec code in run_globals
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py”, line 94, in
main()
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py”, line 18, in main
click.Group(commands=commands)(prog_name=‘bench’)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 722, in call
return self.main(*args, **kwargs)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 697, in main
rv = self.invoke(ctx)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 895, in invoke
return ctx.invoke(self.callback, **ctx.params)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 535, in invoke
return callback(*args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/commands/site.py”, line 342, in drop_site
_drop_site(site, root_login, root_password, archived_sites_path, force)
File “/home/frappe/frappe-bench/apps/frappe/frappe/commands/site.py”, line 355, in drop_site
scheduled_backup(ignore_files=False, force=True)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/backups.py”, line 166, in scheduled_backup
odb = new_backup(older_than, ignore_files, backup_path_db=backup_path_db, backup_path_files=backup_path_files, force=force)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/backups.py”, line 176, in new_backup
odb.get_backup(older_than, ignore_files, force=force)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/backups.py”, line 48, in get_backup
self.set_backup_file_name()
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/backups.py”, line 63, in set_backup_file_name
todays_date = now_datetime().strftime(’%Y%m%d
%H%M%S’)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/data.py”, line 122, in now_datetime
dt = convert_utc_to_user_timezone(datetime.datetime.utcnow())
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/data.py”, line 145, in convert_utc_to_user_timezone
return utcnow.astimezone(timezone(get_time_zone()))
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/data.py”, line 139, in get_time_zone
return frappe.cache().get_value(“time_zone”, _get_time_zone)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/redis_wrapper.py”, line 72, in get_value
val = generator()
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/data.py”, line 133, in _get_time_zone
return frappe.db.get_system_setting(‘time_zone’) or ‘Asia/Kolkata’
File “/home/frappe/frappe-bench/apps/frappe/frappe/database.py”, line 871, in get_system_setting
return frappe.cache().get_value(“system_settings”, _load_system_settings).get(key)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/redis_wrapper.py”, line 72, in get_value
val = generator()
File “/home/frappe/frappe-bench/apps/frappe/frappe/database.py”, line 870, in _load_system_settings
return self.get_singles_dict(“System Settings”)
File “/home/frappe/frappe-bench/apps/frappe/frappe/database.py”, line 555, in get_singles_dict
tabSingles where doctype=%s""", doctype))
File “/home/frappe/frappe-bench/apps/frappe/frappe/database.py”, line 136, in sql
self.connect()
File “/home/frappe/frappe-bench/apps/frappe/frappe/database.py”, line 86, in connect
charset=‘utf8mb4’, use_unicode = True, conv = conversions)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/init.py”, line 90, in Connect
return Connection(*args, **kwargs)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py”, line 699, in init
self.connect()
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py”, line 936, in connect
self._request_authentication()
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py”, line 1156, in _request_authentication
auth_packet = self._read_packet()
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py”, line 1018, in _read_packet
packet.check_error()
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py”, line 384, in check_error
err.raise_mysql_exception(self._data)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/err.py”, line 107, in raise_mysql_exception
raise errorclass(errno, errval)
pymysql.err.OperationalError: (1045, u"Access denied for user ‘d6d83b4e7f448e28’@‘localhost’ (using password: YES)")

how do i drop site from bench ?

Actually, on installing this site it was showing Internal Server Error on web page andd same error message found in log

This seems to be a database access issue so maybe reset the root password!?