Is an incompatibility
1. Unsupported entities, autocad screen capture:
The blue and red entities are unsupported ACAD_PROXY_ENTITY
2. Text "issues", autocad screen capture:
The unsupported chars in ACAD are "?" and opening it in my computer the fonts SimHei.shx, hztxt.shx, SimSun.shx are not found.
LibreCad screen capture:
The unsupported chars in LC are "diamond" and I copied two text and changed the font to wqy-unicode.lff