Hello.
I am following the frappe developer tutorial. I created Article, Library Member Doctype. While creating Library Membership DocType, I get this error.
Membership First Name field is ‘Read Only’ Filed Type linked to Library Member. I am not able to save it.
I use the lastest version of Erpnext.
Traceback (most recent call last): File "/home/frappe/frappe-bench/apps/frappe/frappe/app.py", line 55, in application response = frappe.handler.handle() File "/home/frappe/frappe-bench/apps/frappe/frappe/handler.py", line 19, in handle execute_cmd(cmd) File "/home/frappe/frappe-bench/apps/frappe/frappe/handler.py", line 40, in execute_cmd ret = frappe.call(method, **frappe.form_dict) File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 897, in call return fn(*args, **newargs) File "/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/save.py", line 22, in savedocs doc.save() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 223, in save return self._save(*args, **kwargs) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 252, in _save self.run_before_save_methods() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 750, in run_before_save_methods self.run_method("validate") File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 651, in run_method out = Document.hook(fn)(self, *args, **kwargs) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 858, in composer return composed(self, method, *args, **kwargs) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 841, in runner add_to_return_value(self, fn(self, *args, **kwargs)) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 645, in fn = lambda self, *args, **kwargs: getattr(self, method)(*args, **kwargs) File "/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/doctype/doctype.py", line 62, in validate self.update_fields_to_fetch() File "/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/doctype/doctype.py", line 100, in update_fields_to_fetch link_fieldname = link_fieldname File "/home/frappe/frappe-bench/apps/frappe/frappe/database.py", line 148, in sql self._cursor.execute(query) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/cursors.py", line 205, in execute self.errorhandler(self, exc, value) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler raise errorclass, errorvalue OperationalError: (1054, "Unknown column 'target.member_first_name' in 'field list'")