java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at processing.app.Base.lambda$static$2(Base.java:85)
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
at java.util.LinkedList$LLSpliterator.forEachRemaining(LinkedList.java:1235)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at processing.app.Base.getIDELibs(Base.java:1062)
at processing.app.Base.rebuildExamplesMenu(Base.java:1163)
at processing.app.Editor.buildFileMenu(Editor.java:575)
at processing.app.Editor.buildMenuBar(Editor.java:465)
at processing.app.Editor.(Editor.java:252)
at processing.app.Base.handleOpen(Base.java:829)
at processing.app.Base.restoreSketches(Base.java:519)
at processing.app.Base.(Base.java:457)
at processing.app.Base.guardedMain(Base.java:223)
at processing.app.Base.main(Base.java:136)

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