dhtmlxTree not appearing

I’ve tested my code and it worked on IE. However viewed with Mozilla, the list appears then disappears as if the entire tree is hidden.

When the source is viewed, the coding exists but its not visible - not even the unprocessed data (list).

Any idea?

Unfortunately issue can’t be reconstructed locally.

If issue still occurs for you - please provide any kind of sample or demo link where it can be reconstructed.