FindAndApplyLicense() generating null refrence error in an windows service

FindAndApplyLicense() generating null refrence error in an windows service. Can anyone help what could be the reason for this?

Hi
Thanks for your inquiry. What is FindAndApplyLicense() ? Please make sure that you applied license as described here:
https://docs.aspose.com/words/net/licensing/
Also, please check the points described in “Licensing” section in FAQ:
https://forum.aspose.com/t/2711

Hope this helps.

Best regards,