In the latest release of Tally many people have come across the â€œout of name space errorâ€. This error also comes if you have imported the Tally Statutory Version 80 stats (stat.900). This error is caused do to a bug in Tally which I hope they will fix it fast.
To solve this error, replace the new stat.900 with the old one. Copy the old stat.900 file in the Tally installation directory and start Tally. It will automatically import the statutory masters. If it doesnâ€™t import then press Ctrl + Alt + i to import it.