java.lang.NullPointerException: Cannot invoke "com.jcabi.xml.XSL.with(String, Object)" because the return value of "org.cactoos.Scalar.value()" is null
at org.eolang.parser.TrStepped.lambda$new$1(TrStepped.java:70)
at com.yegor256.xsline.StLambda.apply(StLambda.java:115)
at com.yegor256.xsline.StAfter.lambda$new$0(StAfter.java:50)
at com.yegor256.xsline.StLambda.apply(StLambda.java:115)
at com.yegor256.xsline.StEnvelope.apply(StEnvelope.java:61)
at com.yegor256.xsline.Xsline.pass(Xsline.java:85)
at org.eolang.parser.PhiSyntax.parsed(PhiSyntax.java:109)
at org.eolang.parser.PhiSyntaxTest.checksValidPhiExpressions(PhiSyntaxTest.java:130)
This is a flaky test, I can't reproduce this bug any more.
This is a flaky test, I can't reproduce this bug any more.