sorted.

although i had rebuilt the styles and tracks in bb main program,i had the problem.

whilst in mixcraft and bb daw i noticed that there were a lot of n/a tracks within the styles.
so i rebuilt the styles whilst in the bb plugin and mixcraft.
and the problem seems to be resoved.


rebuilt styles,songs and real tracks.
win 10...amd a10 radeon r6 4c+6g 1.8ghz
64 bit hp envy
biab 2023 with 1004 build. styles 1 to 429 plus extras 1,2,3,4 and 6.
running as admin,cleaned up returned to factory settings.