Custom Script Button Error

[ERROR] 2017-09-16 23:39:49,085 | /home/frappe/frappe-bench/apps/frappe/frappe/app.py:
Site: site1.local
Form Dict: {
“cmd”: “runserverobj”,
“docs”: “{"docstatus":0,"doctype.…”}"
}
Request Error
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 923, in call
return fn(*args, **newargs)
TypeError: runserverobj() takes at least 1 argument (1 given)
[ERROR] 2017-09-16 23:53:49,511 | /home/frappe/frappe-bench/apps/frappe/frappe/app.py: