Job Requisition HDL keeps giving me errors

Summary:

Job Requisition HDL keeps giving me errors regarding the Requisition number, Published job ID, legal employer ID, ..etc.

Content (please ensure you mask any confidential information):

Doesn't accept any published job ID

Doesn't accept the lookup for External

Doesn't accept job Requisition number, noting that there was no duplicates ( existing Requisitions numbers from 7-59). I've tried Requisition numbers 1 & 60

Doesn't accept the legal employer ID