MXL files export problem

I have problems with MXL export files.
In Cubase Pro 8.5 chords has mistakes when I opened them in Sibelius.
For example Cm7 in Sibelius is like only C without m7 e.c.t.
When I tryed export MXL from Cubase Pro 8 this things are not happens.
Please answer me where is mistake and what can I do for repairing this.

It of course MusicXML files