Home > Marg Book > Statutory Report > If An Error of ' IRP The Field of Document Number Must Match The Regular Expression ' Appears While Uploading e - Invoice then how to resolve it in Marg Books ?
Cause:
This error appears when the user has not entered any character at the start of the bill number.
Solution:
After following the above steps, the user can view the Error Of 'IRP The Field of Document Number Must Match The Regular Expression will get resolved in Marg Books.