Here is a full log of the server error:
frappe@erpnext:~/frappe-bench$ bench destroy-all-sessions Traceback (most recent call last): File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib/python2.7/runpy.py", line 72, in _run_code exec code in run_globals File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 79, in <module> main() File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 16, in main click.Group(commands=commands)(prog_name='bench') File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 716, in __call__ return self.main(*args, **kwargs) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 696, in main rv = self.invoke(ctx) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 889, in invoke return ctx.invoke(self.callback, **ctx.params) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 534, in invoke return callback(*args, **kwargs) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func return f(get_current_context(), *args, **kwargs) File "/home/frappe/frappe-bench/apps/frappe/frappe/commands/__init__.py", line 24, in _func ret = f(frappe._dict(ctx.obj), *args, **kwargs) File "/home/frappe/frappe-bench/apps/frappe/frappe/commands/utils.py", line 64, in destroy_all_sessions frappe.sessions.clear_all_sessions(reason) File "/home/frappe/frappe-bench/apps/frappe/frappe/sessions.py", line 96, in clear_all_sessions delete_session(sid, reason=reason) File "/home/frappe/frappe-bench/apps/frappe/frappe/sessions.py", line 87, in delete_session logout_feed(user, reason) File "/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/communication/feed.py", line 64, in logout_feed add_authentication_log(subject, user, operation="Logout") File "/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/authentication_log/authentication_log.py", line 21, in add_authentication_log "operation": operation, File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 596, in get_doc return frappe.model.document.get_doc(arg1, arg2) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 50, in get_doc return controller(arg1, arg2) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 87, in __init__ self.init_valid_columns() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py", line 225, in init_valid_columns for key in self.get_valid_columns(): File "/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py", line 235, in get_valid_columns valid = self.meta.get_valid_columns() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py", line 61, in meta self._meta = frappe.get_meta(self.doctype) File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 613, in get_meta return frappe.model.meta.get_meta(doctype, cached=cached) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py", line 30, in get_meta return frappe.cache().hget("meta", doctype, lambda: Meta(doctype)) File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/redis_wrapper.py", line 171, in hget value = generator() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py", line 30, in <lambda> return frappe.cache().hget("meta", doctype, lambda: Meta(doctype)) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py", line 65, in __init__ super(Meta, self).__init__("DocType", doctype) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 83, in __init__ self.load_from_db() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py", line 70, in load_from_db super(Meta, self).load_from_db() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 114, in load_from_db frappe.throw(_("{0} {1} not found").format(_(self.doctype), self.name), frappe.DoesNotExistError) File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 309, in throw msgprint(msg, raise_exception=exc, title=title, indicator='red') File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 302, in msgprint _raise_exception() File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 275, in _raise_exception raise raise_exception, encode(msg) frappe.exceptions.DoesNotExistError: DocType Authentication Log not found frappe@erpnext:~/frappe-bench$ bench destroy-all-sessions Traceback (most recent call last): File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib/python2.7/runpy.py", line 72, in _run_code exec code in run_globals File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 79, in <module> main() File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 16, in main click.Group(commands=commands)(prog_name='bench') File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 716, in __call__ return self.main(*args, **kwargs) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 696, in main rv = self.invoke(ctx) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 889, in invoke return ctx.invoke(self.callback, **ctx.params) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 534, in invoke return callback(*args, **kwargs) File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func return f(get_current_context(), *args, **kwargs) File "/home/frappe/frappe-bench/apps/frappe/frappe/commands/__init__.py", line 24, in _func ret = f(frappe._dict(ctx.obj), *args, **kwargs) File "/home/frappe/frappe-bench/apps/frappe/frappe/commands/utils.py", line 64, in destroy_all_sessions frappe.sessions.clear_all_sessions(reason) File "/home/frappe/frappe-bench/apps/frappe/frappe/sessions.py", line 96, in clear_all_sessions delete_session(sid, reason=reason) File "/home/frappe/frappe-bench/apps/frappe/frappe/sessions.py", line 87, in delete_session logout_feed(user, reason) File "/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/communication/feed.py", line 64, in logout_feed add_authentication_log(subject, user, operation="Logout") File "/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/authentication_log/authentication_log.py", line 21, in add_authentication_log "operation": operation, File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 596, in get_doc return frappe.model.document.get_doc(arg1, arg2) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 50, in get_doc return controller(arg1, arg2) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 87, in __init__ self.init_valid_columns() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py", line 225, in init_valid_columns for key in self.get_valid_columns(): File "/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py", line 235, in get_valid_columns valid = self.meta.get_valid_columns() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py", line 61, in meta self._meta = frappe.get_meta(self.doctype) File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 613, in get_meta return frappe.model.meta.get_meta(doctype, cached=cached) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py", line 30, in get_meta return frappe.cache().hget("meta", doctype, lambda: Meta(doctype)) File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/redis_wrapper.py", line 171, in hget value = generator() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py", line 30, in <lambda> return frappe.cache().hget("meta", doctype, lambda: Meta(doctype)) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py", line 65, in __init__ super(Meta, self).__init__("DocType", doctype) File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 83, in __init__ self.load_from_db() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py", line 70, in load_from_db super(Meta, self).load_from_db() File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 114, in load_from_db frappe.throw(_("{0} {1} not found").format(_(self.doctype), self.name), frappe.DoesNotExistError) File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 309, in throw msgprint(msg, raise_exception=exc, title=title, indicator='red') File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 302, in msgprint _raise_exception() File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 275, in _raise_exception raise raise_exception, encode(msg) frappe.exceptions.DoesNotExistError: DocType Authentication Log not found frappe@erpnext:~/frappe-bench$