Error while searching in ERPnext

I Got this error while searching a keyword in search box.
My Installation is hosted on Digital Ocean Ubuntu just yesterday.

Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/app.py”, line 57, in application
response = frappe.handler.handle()
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 22, in handle
data = execute_cmd(cmd)
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 53, in execute_cmd
return frappe.call(method, **frappe.form_dict)
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 935, in call
return fn(*args, **newargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/help.py”, line 30, in get_help
return HelpDatabase().search(text)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/help.py”, line 87, in search
select title, intro, path from help where match(content) against (%s) limit 10’’’, (’%’+words+’%’, words))
File “/home/frappe/frappe-bench/apps/frappe/frappe/database.py”, line 152, in sql
self._cursor.execute(query, values)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/cursors.py”, line 250, in execute
self.errorhandler(self, exc, value)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/connections.py”, line 50, in defaulterrorhandler
raise errorvalue
ProgrammingError: (1146, “Table ‘1bd3e0294da19198.help’ doesn’t exist”)