Insufficient Permission for Sales Invoice

Hi team

I’m facing this error below when trying to post invoices to ERPNext…am I missing something?

{
“_error_message”: “Insufficient Permission for Sales Invoice”,
“exc”: “["Traceback (most recent call last):\n File \"/opt/bench/frappe-bench/apps/frappe/frappe/app.py\", line 64, in application\n response = frappe.api.handle()\n File \"/opt/bench/frappe-bench/apps/frappe/frappe/api.py\", line 130, in handle\n \"data\": frappe.get_doc(data).insert().as_dict()\n File \"/opt/bench/frappe-bench/apps/frappe/frappe/model/document.py\", line 218, in insert\n self.check_permission(\"create\")\n File \"/opt/bench/frappe-bench/apps/frappe/frappe/model/document.py\", line 180, in check_permission\n self.raise_no_permission_to(permlevel or permtype)\n File \"/opt/bench/frappe-bench/apps/frappe/frappe/model/document.py\", line 194, in raise_no_permission_to\n raise frappe.PermissionError\nPermissionError\n"]”,
“_server_messages”: “["{\"message\": \"User Guest does not have access to this document\"}"]”
}