Add New Post “Not posting”

Hi,
I was playing around with the plugin “FOTOBOOK”
in the settings it mention to do this

Cron URL To setup automatic updates of your albums, create a cron job that regularly loads the following URL. If you are unsure how to setup a cron job, Google is your friend.
“http://www.mywebsite.com/wp-content/plugins/fotobook/cron.php?secret=fd7d72e02eb1&update

one’s it finish doing this , my fotobook stop working but the Main problem is i can’t post as soon as i click on publish it takes me to all my post but i don’t see the new one. Is like if is not alowing to save new post.

if anyone have any clew please help.

thank you