Error while submitting sales order

Please help

Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/save.py”, line 19, in savedocs
doc.submit()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 741, in submit
self._submit()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 730, in _submit
self.save()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 230, in save
return self._save(*args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 280, in _save
self.run_post_save_methods()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 793, in run_post_save_methods
self.run_method(“on_submit”)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 666, in run_method
out = Document.hook(fn)(self, *args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 887, in composer
return composed(self, method, *args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 870, in runner
add_to_return_value(self, fn(self, *args, **kwargs))
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 660, in
fn = lambda self, *args, **kwargs: getattr(self, method)(*args, **kwargs)
File “/home/frappe/frappe-bench/apps/erpnext/erpnext/selling/doctype/sales_order/sales_order.py”, line 173, in on_submit
self.update_project()
File “/home/frappe/frappe-bench/apps/erpnext/erpnext/selling/doctype/sales_order/sales_order.py”, line 193, in update_project
project.update_sales_costing()
AttributeError: ‘Document’ object has no attribute ‘update_sales_costing’

Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/app.py”, line 56, in application
response = frappe.handler.handle()
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 21, in handle
data = execute_cmd(cmd)
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 52, in execute_cmd
return frappe.call(method, **frappe.form_dict)
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 922, in call
return fn(*args, **newargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/save.py”, line 19, in savedocs
doc.submit()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 741, in submit
self._submit()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 730, in _submit
self.save()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 230, in save
return self._save(*args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 280, in _save
self.run_post_save_methods()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 793, in run_post_save_methods
self.run_method(“on_submit”)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 666, in run_method
out = Document.hook(fn)(self, *args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 887, in composer
return composed(self, method, *args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 870, in runner
add_to_return_value(self, fn(self, *args, **kwargs))
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 660, in
fn = lambda self, *args, **kwargs: getattr(self, method)(*args, **kwargs)
File “/home/frappe/frappe-bench/apps/erpnext/erpnext/selling/doctype/sales_order/sales_order.py”, line 173, in on_submit
self.update_project()
File “/home/frappe/frappe-bench/apps/erpnext/erpnext/selling/doctype/sales_order/sales_order.py”, line 193, in update_project
project.update_sales_costing()
AttributeError: ‘Document’ object has no attribute ‘update_sales_costing’

Hi
bench update and/or restarting your server should stop the error

Did you updated server recently, try to update server and then restart supervisorctl