Cleared App Cache. all-app.min.js:161
Cleared localstorage all-app.min.js:162
event.returnValue is deprecated. Please use the standard event.preventDefault() instead.
Cleared Cache - New Metadata all-app.min.js:363
Starting up... all-app.min.js:2425
Uncaught TypeError: Cannot read property 'fieldname' of undefined all-app.min.js:649
Traceback (innermost last):
  File "lib/webnotes/widgets/form/save.py", line 18, in savedocs
    getattr(wrapper, action.lower())()
  File "lib/webnotes/model/bean.py", line 297, in save
    self.prepare_for_save("save")
  File "lib/webnotes/model/bean.py", line 202, in prepare_for_save
    self.doc.set_new_name(self.get_controller())
  File "lib/webnotes/model/doc.py", line 259, in set_new_name
    return controller.autoname()
  File "app/buying/doctype/supplier/supplier.py", line 28, in autoname
    self.doc.name = make_autoname(self.doc.naming_series + '.#####')
 TypeError: unsupported operand type(s) for +: 'NoneType' and 'unicode'
 all-app.min.js:331
Traceback (innermost last):
  File "lib/webnotes/handler.py", line 78, in handle
    execute_cmd(cmd)
  File "lib/webnotes/handler.py", line 118, in execute_cmd
    ret = call(method, webnotes.form_dict)
  File "lib/webnotes/handler.py", line 140, in call
    return fn(**newargs)
  File "lib/webnotes/widgets/form/save.py", line 18, in savedocs
    getattr(wrapper, action.lower())()
  File "lib/webnotes/model/bean.py", line 297, in save
    self.prepare_for_save("save")
  File "lib/webnotes/model/bean.py", line 202, in prepare_for_save
    self.doc.set_new_name(self.get_controller())
  File "lib/webnotes/model/doc.py", line 259, in set_new_name
    return controller.autoname()
  File "app/buying/doctype/supplier/supplier.py", line 28, in autoname
    self.doc.name = make_autoname(self.doc.naming_series + '.#####')
 TypeError: unsupported operand type(s) for +: 'NoneType' and 'unicode'