java.lang.IllegalArgumentException: fileURL may not contain spaces!
        at org.netbeans.modules.php.editor.index.IndexedElement.<init>(IndexedElement.java:86)
        at org.netbeans.modules.php.editor.index.IndexedConstant.<init>(IndexedConstant.java:59)
        at org.netbeans.modules.php.editor.index.IndexedConstant.<init>(IndexedConstant.java:54)
        at org.netbeans.modules.php.editor.index.PHPIndex.findConstants(PHPIndex.java:191)
        at org.netbeans.modules.php.editor.index.PHPIndex.getConstants(PHPIndex.java:761)
        at org.netbeans.modules.php.editor.model.impl.IndexScopeImpl.findConstants(IndexScopeImpl.java:176)
        at org.netbeans.modules.php.editor.model.impl.IndexScopeImpl.findConstants(IndexScopeImpl.java:169)
        at org.netbeans.modules.php.editor.model.impl.CachingSupport.getMergedConstants(CachingSupport.java:344)
        at org.netbeans.modules.php.editor.model.impl.CachingSupport.getConstants(CachingSupport.java:181)
        at org.netbeans.modules.php.editor.model.impl.OccurenceBuilder.buildConstantInvocations(OccurenceBuilder.java:452)
        at org.netbeans.modules.php.editor.model.impl.OccurenceBuilder.build(OccurenceBuilder.java:770)
        at org.netbeans.modules.php.editor.model.impl.ModelVisitor.buildOccurences(ModelVisitor.java:760)
        at org.netbeans.modules.php.editor.model.impl.ModelVisitor.visit(ModelVisitor.java:163)
        at org.netbeans.modules.php.editor.parser.astnodes.Program.accept(Program.java:89)
        at org.netbeans.modules.php.editor.parser.astnodes.visitors.DefaultVisitor.scan(DefaultVisitor.java:51)
        at org.netbeans.modules.php.editor.model.impl.ModelVisitor.scan(ModelVisitor.java:142)
        at org.netbeans.modules.php.editor.model.Model.getModelVisitor(Model.java:89)
        at org.netbeans.modules.php.editor.model.Model.getOccurencesSupport(Model.java:68)
        at org.netbeans.modules.php.editor.nav.OccurrencesFinderImpl.compute(OccurrencesFinderImpl.java:99)
        at org.netbeans.modules.php.editor.nav.OccurrencesFinderImpl.run(OccurrencesFinderImpl.java:87)
        at org.netbeans.modules.csl.editor.semantic.MarkOccurrencesHighlighter.processImpl(MarkOccurrencesHighlighter.java:170)
        at org.netbeans.modules.csl.editor.semantic.MarkOccurrencesHighlighter.run(MarkOccurrencesHighlighter.java:122)
        at org.netbeans.modules.csl.editor.semantic.MarkOccurrencesHighlighter.run(MarkOccurrencesHighlighter.java:81)
        at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:668)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)