ERP next heldpesk showing onboarding module error

I have helpdesk installed in my existing erp next server but when i go into the app it shows “Failed to get method for command frappe.onboarding.get_onboarding_status with module ‘frappe.onboarding’ has no attribute ‘get_onboarding_status’”

also when i try to sync in mails to pull mails in the helpdesk it always shows crdentials are wrong where as when i login with same credentials it still works and syncs mails please help.