Caused by: org.pitest.util.PitError: Coverage generation minion exited abnormally! (MINION_DIED)

[Revolvor]

Buildfile: E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build.xml

clean:
[delete] Deleting directory E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build

compile:
[mkdir] Created dir: E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build\classes
[javac] Compiling 3 source files to E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build\classes

test:
[mkdir] Created dir: E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build\test-result
[mkdir] Created dir: E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build\test-classes
[javac] Compiling 2 source files to E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build\test-classes
[junitreport] Processing E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build\test-result\TESTS-TestSuites.xml to C:\Users\VULCAN\AppData\Local\Temp\null1009652849
[junitreport] Loading stylesheet ile:/E:/uocourse/24w/software%20test/as2/apache-ant-1.10.14-bin/apache-ant-1.10.14/lib/ant-junit.jar!/org/apache/tools/ant/taskdefs/optional/junit/xsl/junit-frames.xsl
[junitreport] Transform time: 243ms
[junitreport] Deleting: C:\Users\VULCAN\AppData\Local\Temp\null1009652849

pit:
[pitest] 17:51:24 PIT >> INFO : Verbose logging is disabled. If you encounter a problem, please enable it before reporting an issue.
[pitest] 17:51:24 PIT >> INFO : Incremental analysis reduced number of mutations by 0
[pitest] 17:51:24 PIT >> INFO : Created 3 mutation test units in pre scan
[pitest] 17:51:25 PIT >> INFO : MINION : Can not load main class org.pitest.coverage.execute.CoverageMinion
[pitest] 17:51:29 PIT >> SEVERE : Coverage generator Minion exited abnormally due to MINION_DIED
[pitest] Exception in thread "main" org.pitest.util.PitError: Coverage generation minion exited abnormally! (MINION_DIED)
[pitest]
[pitest] Please copy and paste the information and the complete stacktrace below when reporting an issue
[pitest] VM : Java HotSpot(TM) 64-Bit Server VM
[pitest] Vendor : Oracle Corporation
[pitest] Version : 25.202-b08
[pitest] Uptime : 5960
[pitest] Input ->
[pitest] BootClassPathSupported : true
[pitest]
[pitest]
[pitest] Please copy and paste the information and the complete stacktrace below when reporting an issue
[pitest] VM : Java HotSpot(TM) 64-Bit Server VM
[pitest] Vendor : Oracle Corporation
[pitest] Version : 25.202-b08
[pitest] Uptime : 5961
[pitest] Input ->
[pitest] BootClassPathSupported : true
[pitest]
[pitest] at org.pitest.util.Unchecked.translateCheckedException(Unchecked.java:20)
[pitest] at org.pitest.coverage.execute.DefaultCoverageGenerator.calculateCoverage(DefaultCoverageGenerator.java:106)
[pitest] at org.pitest.coverage.execute.DefaultCoverageGenerator.calculateCoverage(DefaultCoverageGenerator.java:52)
[pitest] at org.pitest.mutationtest.tooling.MutationCoverage.runAnalysis(MutationCoverage.java:148)
[pitest] at org.pitest.mutationtest.tooling.MutationCoverage.runReport(MutationCoverage.java:138)
[pitest] at org.pitest.mutationtest.tooling.EntryPoint.execute(EntryPoint.java:129)
[pitest] at org.pitest.mutationtest.tooling.EntryPoint.execute(EntryPoint.java:57)
[pitest] at org.pitest.mutationtest.commandline.MutationCoverageReport.runReport(MutationCoverageReport.java:98)
[pitest] at org.pitest.mutationtest.commandline.MutationCoverageReport.main(MutationCoverageReport.java:45)
[pitest] Caused by: org.pitest.util.PitError: Coverage generation minion exited abnormally! (MINION_DIED)
[pitest]
[pitest] Please copy and paste the information and the complete stacktrace below when reporting an issue
[pitest] VM : Java HotSpot(TM) 64-Bit Server VM
[pitest] Vendor : Oracle Corporation
[pitest] Version : 25.202-b08
[pitest] Uptime : 5960
[pitest] Input ->
[pitest] BootClassPathSupported : true
[pitest]
[pitest] at org.pitest.coverage.execute.DefaultCoverageGenerator.gatherCoverageData(DefaultCoverageGenerator.java:148)
[pitest] at org.pitest.coverage.execute.DefaultCoverageGenerator.calculateCoverage(DefaultCoverageGenerator.java:90)
[pitest] ... 7 more

BUILD FAILED
E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build.xml:105: E:\uocourse\24w\software test\as2\pitest-example\pitest-ant-example\build.xml:105: Java returned: 1

Total time: 7 seconds

I am using the provided pitest-example and my java version is 1.8. my ant version is 1.10.14.Sincerely hope you can guide me on how to solve this problem.