assertion fails for createIndexBuffer(0, 0) #1477
Description
Here's the relevant portion of the stack trace:
Mar 12, 2021 8:39:43 PM com.jme3.app.LegacyApplication handleError
SEVERE: Uncaught exception thrown in Thread[jME3 Main,5,main]
java.lang.AssertionError: out of range: -1
at com.jme3.scene.mesh.IndexByteBuffer.<init>(IndexByteBuffer.java:71)
at com.jme3.scene.mesh.IndexBuffer.createIndexBuffer(IndexBuffer.java:81)
Discovered in JME v3.4.0-alpha1