Cant able to Open Sales Order

When click the Sales Order below error appear; any help would be greatly appreciated, Thanks

Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/app.py”, line 61, 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 56, in execute_cmd
return frappe.call(method, **frappe.form_dict)
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 1030, in call
return fn(*args, **newargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/load.py”, line 71, in getdoctype
docs = get_meta_bundle(doctype)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/load.py”, line 81, in get_meta_bundle
bundle = [frappe.desk.form.meta.get_meta(doctype)]
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/meta.py”, line 29, in get_meta
meta = FormMeta(doctype)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/meta.py”, line 39, in init
self.load_assets()
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/meta.py”, line 53, in load_assets
self.load_templates()
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/meta.py”, line 178, in load_templates
module = load_doctype_module(self.name)
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/utils.py”, line 192, in load_doctype_module
raise ImportError(‘Module import failed for {0} ({1})’.format(doctype, module_name + ’ Error: ’ + str(e)))
ImportError: Module import failed for Sales Order (erpnext.selling.doctype.sales_order.sales_order Error: cannot import name get_item_details)