Unhandled NullPointerException

[jsql-robot]

jSQL: v0.82
Java: v1.8.0_251-amd64-en on Java(TM) SE Runtime Environment
OS: Windows 10 (v10.0)
Desktop: windows
Strategy: undefined
Db engine: MySQL

Exception on ThreadBeginInjection
java.lang.NullPointerException
	at java.util.Objects.requireNonNull(Unknown Source)
	at jdk.nashorn.internal.runtime.Source$RawData.<init>(Source.java:169)
	at jdk.nashorn.internal.runtime.Source$RawData.<init>(Source.java:158)
	at jdk.nashorn.internal.runtime.Source.sourceFor(Source.java:429)
	at jdk.nashorn.internal.runtime.Source.sourceFor(Source.java:440)
	at jdk.nashorn.api.scripting.NashornScriptEngine.makeSource(NashornScriptEngine.java:226)
	at jdk.nashorn.api.scripting.NashornScriptEngine.eval(NashornScriptEngine.java:155)
	at javax.script.AbstractScriptEngine.eval(Unknown Source)
	at com.jsql.util.tampering.TamperingUtil.eval(TamperingUtil.java:67)
	at com.jsql.util.tampering.TamperingUtil.tamper(TamperingUtil.java:126)
	at com.jsql.model.InjectionModel.buildQuery(InjectionModel.java:701)
	at com.jsql.model.InjectionModel.inject(InjectionModel.java:429)
	at com.jsql.model.AbstractModelObservable.injectWithoutIndex(AbstractModelObservable.java:48)
	at com.jsql.model.injection.strategy.StrategyInjectionError.checkApplicability(StrategyInjectionError.java:63)
	at com.jsql.model.InjectionModel.testStrategies(InjectionModel.java:359)
	at com.jsql.util.JsonUtil.testStandardParameter(JsonUtil.java:107)
	at com.jsql.model.InjectionModel.testParameters(InjectionModel.java:307)
	at com.jsql.model.InjectionModel.beginInjection(InjectionModel.java:198)
	at java.lang.Thread.run(Unknown Source)