ERPNEXT issues after upgrade to ERPNext: v10.1.61 (master) Frappe Framework: v10.1.54 (master)

Something went wrong
Server Error: Please check your server logs or contact tech support.
Traceback (most recent call last):
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/”, line 62, in application
response = frappe.handler.handle()
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/”, line 22, in handle
data = execute_cmd(cmd)
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/”, line 53, in execute_cmd
return, **frappe.form_dict)
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/”, line 939, in call
return fn(*args, **newargs)
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/desk/”, line 17, in get_user_progress_slides
slides += frappe.get_attr(fn)()
File “/home/ubuntu/frappe-bench/apps/erpnext/erpnext/utilities/”, line 276, in get_user_progress_slides
slide_settings = get_slide_settings()
File “/home/ubuntu/frappe-bench/apps/erpnext/erpnext/utilities/”, line 15, in get_slide_settings
item = [d for d in doc.get(“actions”) if d.action_name == “Set Sales Target”]
TypeError: ‘NoneType’ object is not iterable

anybody can help me to fix or remove these notification? System is working now but notification alway popup during logon