Help, blank page when viewing customer orders to update status

Pls help,

this is my problem:

For my 1st customer order, I am able to edit the status of the order to delivered and so on but
when i click on the other customers orders edit button, it shos a blank page instead...
What happened? and what should i do?

I have a similar problem:

my problem is when checking on the order status

I can see the on the latest sale

date added/customer notified/status/coments

but can not see

order download status... what have i done wrong

both the obove can be viewed on all previous sales...

just to weird

any suggestion are most appreciated....

I am having the same problem but it only seems to occur with my two most recent orders, the rest are fine. Does anyone know what the solution might be?