Could not find In Secondary UOM: Bags

[R4tt3xx]

Does anyone know how to fix below ?

An error occurred while installing apparelo: Could not find In Secondary UOM: Bags
Traceback (most recent call last):
File "apps/frappe/frappe/commands/site.py", line 293, in install_app
_install_app(app, verbose=context.verbose)
File "apps/frappe/frappe/installer.py", line 196, in install_app
frappe.get_attr(after_install)()
File "apps/apparelo/apparelo/install.py", line 31, in after_install
create_apparelo_process()
File "apps/apparelo/apparelo/apparelo/doctype/apparelo_process/apparelo_process.py", line 34, in create_apparelo_process
apparelo_process_doc.save()
File "apps/frappe/frappe/model/document.py", line 310, in save
return self._save(*args, **kwargs)
File "apps/frappe/frappe/model/document.py", line 332, in _save
return self.insert()
File "apps/frappe/frappe/model/document.py", line 255, in insert
self._validate_links()
File "apps/frappe/frappe/model/document.py", line 908, in validate_links
frappe.throw(("Could not find {0}").format(msg), frappe.LinkValidationError)
File "apps/frappe/frappe/init.py", line 504, in throw
msgprint(
File "apps/frappe/frappe/init.py", line 479, in msgprint
_raise_exception()
File "apps/frappe/frappe/init.py", line 434, in _raise_exception
raise raise_exception(msg)
frappe.exceptions.LinkValidationError: Could not find In Secondary UOM: Bags

Thanks in advance