Follow the below to resolve the validation error IITR.730159 or IITR730157:
Delete all the details in Income: Payer's Name, Payer's ABN:WPN, Gross Payment and Tax Withheld, etc. Keep the worksheet in PAYG WS.
Go to Income, Salary or Wages.
Click on PAYG WS (worksheet).
Click on the available worksheet.
In the fields for Gross Payments - Salary or Wages (Amount & Tax Withheld), remove 0.