Daniel Edmands Posted December 10, 2019 Report Share Posted December 10, 2019 Hi there, A serial key our sales guru purchased for our client is giving the error message -20 when attempting to validate Nitro Pro version 12. The licenses portal (https://licenses.gonitro.com/prd/portal) is also stating the serial key is giving the notice "Please enter a valid serial number." Regards, Daniel Link to comment Share on other sites More sharing options...
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