This may help.
I can't save pictures or videos to my media card
Try one of the following:
•
Delete old media files to free up storage space and try again.
•
Insert a different media card.
•
In the File Manager app, browse to your media card. Make sure that the Camera folder exists and is available. If necessary, create a new folder called Camera.
•
In the File Manager app, browse to your media card. Check if there are any other files called Camera. Delete or move any other files called Camera to a different folder.
The full help file link
http://docs.blackberry.com/en/smartp...n.pdf#Page=141