Thank you for reaching out to us. As I understand you are facing this error {"errorCode":"BadRequest","localizedErrorDetails":{"hardwareTokenUploadValidationFailure":"Invalid base32 encoding due to illegal character 8 for: <UPN>, serial number: <serial number>"}... while updating OATH hardware tokens,
However as per the documentation, The secret key can only contain the characters a-z or A-Z and digits 2-7, and must be encoded in Base32.
Let me know if you have any further questions.
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