I got this error in the console if I try to build a .Net project. The build itself (with msbuild) works

Path To MSTest.exe: mstest.exe
Result file was not found so no action has been taken. file:/C:/Program%20Files%20(x86)/Jenkins/jobs/UsageStatistic%20Test/workspace/testresult.trx
FATAL: null
java.lang.NullPointerException
at org.jenkinsci.plugins.MsTestBuilder.perform(MsTestBuilder.java:144)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:744)
at hudson.model.Build$BuildExecution.build(Build.java:198)
at hudson.model.Build$BuildExecution.doRun(Build.java:159)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:523)
at hudson.model.Run.execute(Run.java:1700)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:231)