09:22:03 [xUnit] [ERROR] - Conversion error Error to convert the input XML document
09:22:03 ERROR: Failed to parse POMs
09:22:03 java.io.IOException: remote file operation failed: C:/jks/ws/Classic-AMIS_2.50.X_Build at hudson.remoting.Channel@d1a67e:JNLP4-connect connection from chdev1074.intern.csam.no/10.14.80.130:61390: java.io.IOException: Failed to deserialize response to UserRequest:org.jenkinsci.plugins.xunit.service.XUnitTransformer@14b5f21: java.lang.SecurityException: Rejected: net.sf.saxon.expr.CardinalityChecker; see https://jenkins.io/redirect/class-filter/

INFO: [xUnit] - [NUnit-2 (default)] - 14 test report file(s) were found with the pattern '**/target/TestResults.xml' relative to 'C:\jks\ws\Classic-AMIS_2.50.X_Build' for the testing framework 'NUnit-2 (default)'.
Error on line 59 
  XPTY0004: A sequence of more than one item is not allowed as the first argument of
  substring() ("TMService.UnitTests.TMServiceT...", "_IGNOREREASON") 
  at xsl:for-each (#53)
     processing /test-results/test-suite[1]/results[1]/test-suite[1]/results[1]/test-suite[1]/results[1]/test-suite[3]
  at xsl:for-each (#51)
     processing /test-results/test-suite[1]/results[1]/test-suite[1]/results[1]/test-suite[1]/results[1]/test-suite[3]/results[1]/test-case[1]
  in built-in template rule
org.jenkinsci.plugins.xunit.exception.XUnitException: Conversion error Error to convert the input XML document

Caused by: net.sf.saxon.s9api.SaxonApiException: A sequence of more than one item is not allowed as the first argument of substring() ("TMService.UnitTests.TMServiceT...", "_IGNOREREASON")