NPE while running with TestRunner

Hello -

I am seeing this exception in the TestRunner console after my test case executes:

17:57:53,113 INFO  [SoapUIProTestCaseRunner] Finished running soapUI testcase [eScreen Data Driven Test], time taken: 34503ms, status: FAILED
17:57:53,238 INFO  [MockEngine] Stopped MockService [Tracker DB Service] on port [8080]
17:57:53,238 INFO  [MockEngine] Stopped MockService [Druglabs DB Service] on port [8081]
17:57:53,238 ERROR [WsdlTestCaseRunner] Exception during TestCase Execution
java.lang.NullPointerException
 at com.eviware.soapui.impl.wsdl.teststeps.WsdlMessageExchangeTestStepResult.getMessageExchanges(WsdlMessageExchangeTestStepResult.java:32)
 at com.eviware.soapui.impl.wsdl.teststeps.WsdlRunTestCaseTestStep.run(WsdlRunTestCaseTestStep.java:207)
 at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCaseRunner.runTestStep(WsdlTestCaseRunner.java:273)
 at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCaseRunner.run(WsdlTestCaseRunner.java:182)
 at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCaseRunner.start(WsdlTestCaseRunner.java:81)
 at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCase.run(WsdlTestCase.java:538)
 at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCase.run(WsdlTestCase.java:50)
 at com.eviware.soapui.tools.SoapUITestCaseRunner.runTestCase(SoapUITestCaseRunner.java:515)
 at com.eviware.soapui.tools.SoapUITestCaseRunner.runSuite(SoapUITestCaseRunner.java:474)
 at com.eviware.soapui.tools.SoapUITestCaseRunner.runRunner(SoapUITestCaseRunner.java:299)
 at com.eviware.soapui.tools.AbstractSoapUIRunner.run(AbstractSoapUIRunner.java:127)
 at com.eviware.soapui.tools.AbstractSoapUIRunner.runFromCommandLine(AbstractSoapUIRunner.java:72)
 at com.eviware.soapui.SoapUIProTestCaseRunner.main(SourceFile:34)
17:57:53,300 INFO  [SoapUIProTestCaseRunner] Finished running soapUI testcase [Example Data Driven Test], time taken: 0ms, status: FAILED

I am running 2.5.2 latest build (4/24) but it has been happening for the last few builds.

Thanks.