Caesk

I need help with the app from facebook. every time that i take a picture from the app or i try to upload the picture from the album to facebook there is an error and and a blue icon with a small square appear and the photo dows not load. When i try to check the picture from my computer there is no a problem but from my facebook app i can't. I uninstalled it and then installed it again and the first time works fine but when i do it again the error comes again. can anybody help me. thanks!