Enum error

Hi I am getting this error while building;

java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:386)
at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:401)
Caused by: java.lang.IllegalArgumentException: No enum constant org.jacoco.agent.rt.internal_e5875b2.core.runtime.AgentOptions.OutputMode.f?le
FATAL ERROR in native method: processing of -javaagent failed
at java.lang.Enum.valueOf(Enum.java:238)
at org.jacoco.agent.rt.internal_e5875b2.core.runtime.AgentOptions$OutputMode.valueOf(AgentOptions.java:123)
at org.jacoco.agent.rt.internal_e5875b2.core.runtime.AgentOptions.getOutput(AgentOptions.java:497)
at org.jacoco.agent.rt.internal_e5875b2.core.runtime.AgentOptions.validateAll(AgentOptions.java:252)
at org.jacoco.agent.rt.internal_e5875b2.core.runtime.AgentOptions.(AgentOptions.java:230)
at org.jacoco.agent.rt.internal_e5875b2.PreMain.premain(PreMain.java:43)
... 6 more
Exception in thread "main"
<======-------> 50% EXECUTING [45s]
> IDLE