DXF Exports - Blocks within Blocks?

Hi all,

Beginner to Illustrator here. I've recently updated to Illustrator 28.5 to create DXF files for our laser engraver (which in turn uses EZCad2 14.11).

When I export to DXF from this version of Illustrator, EZCad does not display the text objects. Upon investigating by opening the DXF files with AutoCAD, I found that text was converted to splines and hatches inside a block...that is inside another block.

This did not happen when I was using Illustrator 24.3; text exported as splines and hatches in blocks. DXF files exported from this version had no issues with EZCad. The final redundant block, I presume, is why it does not import properly.

Is there any way to remedy this? Thanks! I've attached my current DXF export settings.