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java.lang.NullPointerException at at.asitplus.regkassen.verification.core.verification.verificationmodules.SignatureVerificationModuleJWSFormat.verify(SignatureVerificationModuleJWSFormat.java:108) at at.asitplus.regkassen.verification.core.verification.verificationmodules.SignatureVerificationModulePlainFormat.verify(SignatureVerificationModulePlainFormat.java:49) at at.asitplus.regkassen.verification.core.verification.verificationmodules.MachineCodeVerificationModulePlainFormat.verify(MachineCodeVerificationModulePlainFormat.java:70) at at.asitplus.regkassen.verification.core.verification.verificationmodules.MachineCodeVerificationModuleJWSFormat.verify(MachineCodeVerificationModuleJWSFormat.java:50) at at.asitplus.regkassen.verification.core.verification.verificationmodules.DEPExportFormatVerificationModule.verify(DEPExportFormatVerificationModule.java:161) at at.asitplus.regkassen.verification.cmdline.CheckDEPExportFormat.main(CheckDEPExportFormat.java:70)