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Error Code 6267: Surrender your existing license to activate Tally.ERP 9.
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https://help.tallysolutions.com/docs/te9rel61/Licensing/Error_Code_6267.htm

Error Code 6267: Surrender your existing license to activate Tally.ERP 9.

Cause

This error occurs when you try to activate an upgraded serial number, and the old serial number is yet to be surrendered.

Solution

You must surrender the old serial number to activate the upgraded serial number.