export track WAVE

I have recently problem
When i do export for track WAVE does not full appear
Also audio track property in audio mix down doesn’t work
so, I can not do any export
how can i repair it

best regard

1st - please tell us what version of Cubase you have and what computer and audio hardware spec you have.
2nd - Make sure you have the left and right locators set to the correct position to export/mixdown the complete file.

Regards :sunglasses:

thank you for attention
cubase pro 8
version8.0.40 build 623( 64bit)
regarding left and right locators set is in correct position
this problem is recently and suddenly happened