java.lang.NullPointerException: This exception has no message.

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at at.asitplus.regkassen.core.base.util.CashBoxUtils.getQRCodeRepresentationFromJWSCompactRepresentation(
at at.asitplus.regkassen.verification.core.verification.verificationmodules.CashBoxIDAndReceiptIdentifierAreUniqueVerificationModule.verify(
at at.asitplus.regkassen.verification.core.verification.verificationmodules.DEPExportFormatVerificationModule.verify(
at at.asitplus.regkassen.verification.cmdline.CheckDEPExportFormat.main(

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