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However I have removed the old license and added the new one (embedded existing item) but get the error above. I updated the DLLs by downloading Aspose.Words_19.9.msi and I’m wondering if somehow it’s pointing to an evaluation license instead of using the new one I’ve embedded?
It seems that your application is still pointing to your old license. Can you please list the complete steps that we can follow on our end to reproduce this issue?
Also, please try embedding your new license in a separate new console application to validate correctness of your new license.