How to use frappe theme

I installed frappe theme but I dont know how to use it when opening using awesome bar it shows error :slight_smile:
Traceback (most recent call last):
File “/home/vhrs/frappe-bench/apps/frappe/frappe/app.py”, line 55, in application
response = frappe.handler.handle()
File “/home/vhrs/frappe-bench/apps/frappe/frappe/handler.py”, line 19, in handle
execute_cmd(cmd)
File “/home/vhrs/frappe-bench/apps/frappe/frappe/handler.py”, line 36, in execute_cmd
ret = frappe.call(method, **frappe.form_dict)
File “/home/vhrs/frappe-bench/apps/frappe/frappe/init.py”, line 854, in call
return fn(*args, **newargs)
TypeError: get() takes exactly 1 argument (0 given)