Server crashed , upgrade from v7 to v9

hi please someone help me out, my server crashed completly i was running v7 on it. i have database backup but when i try to restore on v9 i get many errors. please, someone help me out.
i done
restore database
its oky
but when i run bench migrate its giving me error on
frappe@erpnext:~/frappe-bench$ bench migrate
Migrating erpnext.vm
Executing execute:frappe.get_single(‘Domain Settings’).save() in erpnext.vm (d56cb677eaab3383)
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 94, 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/local/lib/python2.7/site-packages/click/core.py”, line 722, in call
return self.main(*args, **kwargs)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 697, in main
rv = self.invoke(ctx)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 1066, 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 1066, 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 895, 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 535, 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/site.py”, line 217, in migrate
migrate(context.verbose, rebuild_website=rebuild_website)
File “/home/frappe/frappe-bench/apps/frappe/frappe/migrate.py”, line 31, 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/model/document.py”, line 256, in save
return self.save(*args, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 288, in save
self.validate_higher_perm_levels()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 494, in validate_higher_perm_levels
high_permlevel_fields = frappe.get_meta(df.options).meta.get_high_permlevel_fields()
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 651, in get_meta
return frappe.model.meta.get_meta(doctype, cached=cached)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py”, line 33, in get_meta
lambda: Meta(doctype))
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/redis_wrapper.py”, line 173, in hget
value = generator()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py”, line 33, in
lambda: Meta(doctype))
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py”, line 72, in init
super(Meta, self).init(“DocType”, doctype)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 103, in init
self.load_from_db()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/meta.py”, line 77, in load_from_db
super(Meta, self).load_from_db()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 140, 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 319, in throw
msgprint(msg, raise_exception=exc, title=title, indicator=‘red’)
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 309, in msgprint
_raise_exception()
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 282, in _raise_exception
raise raise_exception(encode(msg))
frappe.exceptions.DoesNotExistError: DocType Has Domain not found

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