Version 11 to 12 Migration issue

Hi, got this error while migrating version 11 to 12. Any one please help.

Switched to version-12
Please run bench update --patch to be safe from any differences in database schema
frappe@ip-172-31-16-219:~/frappe-bench$ bench update --patch
Backing up sites…
Patching sites…
Migrating site1.local
Executing execute:frappe.reload_doc(“HR”, “doctype”, “HR Settings”) #2020-01-16 in site1.local (1bd3e0294da19198)
Traceback (most recent call last):
File “/usr/lib/python3.5/runpy.py”, line 184, in _run_module_as_main
main”, mod_spec)
File “/usr/lib/python3.5/runpy.py”, line 85, in _run_code
exec(code, run_globals)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py”, line 97, in
main()
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py”, line 18, in main
click.Group(commands=commands)(prog_name=‘bench’)
File “/home/frappe/frappe-bench/env/lib/python3.5/site-packages/click/core.py”, line 764, in call
return self.main(*args, **kwargs)
File “/home/frappe/frappe-bench/env/lib/python3.5/site-packages/click/core.py”, line 717, in main
rv = self.invoke(ctx)
File “/home/frappe/frappe-bench/env/lib/python3.5/site-packages/click/core.py”, line 1137, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/home/frappe/frappe-bench/env/lib/python3.5/site-packages/click/core.py”, line 1137, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/home/frappe/frappe-bench/env/lib/python3.5/site-packages/click/core.py”, line 956, in invoke
return ctx.invoke(self.callback, **ctx.params)
File “/home/frappe/frappe-bench/env/lib/python3.5/site-packages/click/core.py”, line 555, in invoke
return callback(*args, **kwargs)
File “/home/frappe/frappe-bench/env/lib/python3.5/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 25, in _func
ret = f(frappe._dict(ctx.obj), *args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/commands/site.py”, line 227, in migrate
migrate(context.verbose, rebuild_website=rebuild_website)
File “/home/frappe/frappe-bench/apps/frappe/frappe/migrate.py”, line 47, in migrate
frappe.modules.patch_handler.run_all()
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/patch_handler.py”, line 29, in run_all
if not run_single(patchmodule = patch):
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/patch_handler.py”, line 63, in run_single
return execute_patch(patchmodule, method, methodargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/patch_handler.py”, line 81, in execute_patch
exec(patchmodule.split(“execute:”)[1],globals())
File “”, line 1, in
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 799, in reload_doc
return frappe.modules.reload_doc(module, dt, dn, force=force, reset_permissions=reset_permissions)
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/utils.py”, line 160, in reload_doc
return import_files(module, dt, dn, force=force, reset_permissions=reset_permissions)
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/import_file.py”, line 26, in import_files
reset_permissions=reset_permissions)
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/import_file.py”, line 31, in import_file
ret = import_file_by_path(path, force, pre_process=pre_process, reset_permissions=reset_permissions)
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/import_file.py”, line 65, in import_file_by_path
ignore_version=ignore_version, reset_permissions=reset_permissions)
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/import_file.py”, line 100, in import_doc
doc = frappe.get_doc(docdict)
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 734, in get_doc
doc = frappe.model.document.get_doc(*args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 69, in get_doc
return controller(*args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 113, in init
super(Document, self).init(kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py”, line 54, in init
self.update(d)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py”, line 77, in update
self.set(key, value)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py”, line 124, in set
self.extend(key, value)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py”, line 161, in extend
self.append(key, v)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py”, line 155, in append
self.name, str(type(value))[1:-1], value)
ValueError: Document for field “field_order” attached to child table of “HR Settings” must be a dict or BaseDocument, not class ‘str’ (employee_settings)
frappe@ip-172-31-16-219:~/frappe-bench$

Reported here ERPNext V11 to V12 migration issue · Issue #20407 · frappe/erpnext · GitHub