Facing an error while Importing Sales Order

Summary:

I am creating sales order through FDBI tempelate. The Load Interface data is successful every time but import Sales order is failing and showing error. Please help me to resolve this.

Content (please ensure you mask any confidential information):

####[2026-02-02T10:48:31.877+00:00] [INFO] Batch Name: SITBTCH0004
Source System: OPS
Order Number: null
Sold To Customer Name: null
Sold To Customer Number: null
createdWithinLastNDays: null
Allow Auto Purge: Y
Order Status : NONE
Import Sales Order Job Id: 2978287
Number of threads spawned: 0
Import Sales Orders did not find any matching records.
Overall Import Status : ERROR

Version (include the version you are using, if applicable):