Please follow the steps below to check the employee with the errors and to rectify them:
Go to the Income Tax module.
Click the Generate tab and click PAT Line File Generation.
Click Generate and save the file.
Open the text file using Notepad, click Edit, and select Find.
Enter the line number example error line number 30, enter as LIN 30 (got 2 spaces in between).
Check NAD PE, which employee IC number this refers to.
For example, the error is RFF AWB from the upload. Check and search PAT Line submission errors for the definition.
Go to your Core module or Income Tax module to rectify.