Hi there
I'm using Spire PDF Version 10.12.4.1360 with a purchased license. (C# Net7.0)
I don't have a XML license file, just the license key.
I have the same error as the one reported in "the-input-is-not-a-valid-base-64-string-t12401.html" forum older post. (Aug 07, 2023)
However :
a) Spire.License.LicenseProvider.SetLicenseKey does not work since there is no LicenseProvider class with the SpirePDF.dll
b) Spire.Pdf.License.LicenseProvider.SetLicenseKey("the_provided_license_key") does not return any error but saving a PdfDocument triggers the "The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters." error.
Any idea ?
Thanks