Exception in thread "main" java.lang.AssertionError: **** Component reference mode xsl:unnamed is already bound
        at net.sf.saxon.expr.instruct.Actor.processComponentReference(Actor.java:179)
        at net.sf.saxon.expr.instruct.Actor.allocateBindingSlotsRecursive(Actor.java:145)
        at net.sf.saxon.expr.instruct.Actor.allocateBindingSlotsRecursive(Actor.java:148)
        at net.sf.saxon.expr.instruct.Actor.allocateBindingSlotsRecursive(Actor.java:148)
        at net.sf.saxon.trans.SimpleMode.lambda$forceAllocateAllBindingSlots$1(SimpleMode.java:970)
        at net.sf.saxon.trans.SimpleMode.processRuleChain(SimpleMode.java:1160)
        at net.sf.saxon.trans.SimpleMode.processRuleChains(SimpleMode.java:1127)
        at net.sf.saxon.trans.SimpleMode.processRules(SimpleMode.java:1088)
        at net.sf.saxon.trans.SimpleMode.processRules(SimpleMode.java:1075)
        at net.sf.saxon.trans.SimpleMode.forceAllocateAllBindingSlots(SimpleMode.java:960)
        at net.sf.saxon.trans.SimpleMode.allocateAllBindingSlots(SimpleMode.java:950)
        at net.sf.saxon.style.PrincipalStylesheetModule.compile(PrincipalStylesheetModule.java:1368)
        at net.sf.saxon.style.Compilation.compilePackage(Compilation.java:322)
        at net.sf.saxon.style.StylesheetModule.loadStylesheet(StylesheetModule.java:252)
        at net.sf.saxon.style.Compilation.compileSingletonPackage(Compilation.java:113)
        at net.sf.saxon.s9api.XsltCompiler.compile(XsltCompiler.java:838)
        at net.sf.saxon.Transform.doTransform(Transform.java:753)
        at net.sf.saxon.Transform.main(Transform.java:82)