I created some Documents in the Asset Maintenance Log. When I tried to Submit them the following Error popped up. Can someone explain what the problem is?
Traceback (most recent call last):
File “/home/frappe/bench/apps/frappe/frappe/desk/form/save.py”, line 19, in savedocs
doc.submit()
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 848, in submit
self._submit()
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 837, in _submit
self.save()
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 260, in save
return self._save(*args, **kwargs)
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 313, in _save
self.run_post_save_methods()
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 908, in run_post_save_methods
self.run_method(“on_submit”)
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 772, in run_method
out = Document.hook(fn)(self, *args, **kwargs)
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 1048, in composer
return composed(self, method, *args, **kwargs)
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 1031, in runner
add_to_return_value(self, fn(self, *args, **kwargs))
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 766, in
fn = lambda self, *args, **kwargs: getattr(self, method)(*args, **kwargs)
File “/home/frappe/bench/apps/erpnext/erpnext/assets/doctype/asset_maintenance_log/asset_maintenance_log.py”, line 26, in on_submit
self.update_maintenance_task()
File “/home/frappe/bench/apps/erpnext/erpnext/assets/doctype/asset_maintenance_log/asset_maintenance_log.py”, line 32, in update_maintenance_task
next_due_date = calculate_next_due_date(periodicity = self.periodicity, last_completion_date = self.completion_date)
File “/home/frappe/bench/apps/erpnext/erpnext/assets/doctype/asset_maintenance/asset_maintenance.py”, line 60, in calculate_next_due_date
if last_completion_date and (last_completion_date > start_date or not start_date):
TypeError: unorderable types: str() > NoneType()
Traceback (most recent call last):
File “/home/frappe/bench/apps/frappe/frappe/app.py”, line 61, in application
response = frappe.handler.handle()
File “/home/frappe/bench/apps/frappe/frappe/handler.py”, line 21, in handle
data = execute_cmd(cmd)
File “/home/frappe/bench/apps/frappe/frappe/handler.py”, line 56, in execute_cmd
return frappe.call(method, **frappe.form_dict)
File “/home/frappe/bench/apps/frappe/frappe/init.py”, line 1036, in call
return fn(*args, **newargs)
File “/home/frappe/bench/apps/frappe/frappe/desk/form/save.py”, line 19, in savedocs
doc.submit()
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 848, in submit
self._submit()
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 837, in _submit
self.save()
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 260, in save
return self._save(*args, **kwargs)
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 313, in _save
self.run_post_save_methods()
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 908, in run_post_save_methods
self.run_method(“on_submit”)
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 772, in run_method
out = Document.hook(fn)(self, *args, **kwargs)
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 1048, in composer
return composed(self, method, *args, **kwargs)
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 1031, in runner
add_to_return_value(self, fn(self, *args, **kwargs))
File “/home/frappe/bench/apps/frappe/frappe/model/document.py”, line 766, in
fn = lambda self, *args, **kwargs: getattr(self, method)(*args, **kwargs)
File “/home/frappe/bench/apps/erpnext/erpnext/assets/doctype/asset_maintenance_log/asset_maintenance_log.py”, line 26, in on_submit
self.update_maintenance_task()
File “/home/frappe/bench/apps/erpnext/erpnext/assets/doctype/asset_maintenance_log/asset_maintenance_log.py”, line 32, in update_maintenance_task
next_due_date = calculate_next_due_date(periodicity = self.periodicity, last_completion_date = self.completion_date)
File “/home/frappe/bench/apps/erpnext/erpnext/assets/doctype/asset_maintenance/asset_maintenance.py”, line 60, in calculate_next_due_date
if last_completion_date and (last_completion_date > start_date or not start_date):
TypeError: unorderable types: str() > NoneType()