Would ou enable DEV_MODE in ow_includes/config.php files and try to login again. You should see an actual error message. Post it here.

My site is the same. No back uri after the = sign. Put into dev mode and works, no error messages that I can see.

Any assistance would be appreciated.

Have uninstalled all plugins and re-installed to no avail.

My FB connect plugin also stopped working same day. Can anyone explain?

Is there another FB connect plugin that works?

my site is ekelma.com

Wael,

Would you PM me with your FTP/Cpanel/site Admin details? 

I'll forward it to our dev team to check your report. 

Thanks.

I think that i fixed it. I deactivated Add This plugin and now works perfectly, try it!
And please can any one tell me how to add Profile Question settings on oxwall to request on facebook app fro permissions "Posting in behalf of you"

Anis, can you make sure that settings of your APP match ones specified here http://docs.oxwall.org/plugin-tuts:facebook-connect ? Also would be great if you PM me screen shots of your error and App settings.

Daren, what do you mean by "old" tutorials? Does the link above open for you?

1.5 you cannot seem to enter a app ID or key it wont accept it

I can not use this plugin because facebook told me That a error occured when I click the button or entry of syncronisation in 1.5

the interface on the facebook apps page doesn't look like the one on the tutorial you provided...they only ask for the app name and App Namespace along with an option to sign up for a free hosting with one of their partners....this plugin is telling me that the app id and the key failed to authorize or something like that and i've created the app several times now, but it won't accept the keys.....kinda sucks because it is would be a useful app otherwise.....

and i am using 1.5 as well

Application setup failed. Please check your App ID and Application Secret.

hi, i made a new facebook app and deleted my old one because my old one was a testing app just to see it work on my OW site.The old testing app worked perfectly when i signed into my OW site loging in with facebook. Now before i made the new app and deleted the old one, i first removed facebook connect from my OW admins section to start from scratch to type in my new app id and secret.

When i put in my new FB app and secret it indicates in red on the top of my page that my app Application setup failed. Please check your App ID and Application Secret.

I uninstalled the app and deleted it completely then reinstalled it tried again and nothing!

Can someone please help.. 

this error is a mistake, don't rely on it....insall it like you would normally and go to your join page, click on the button, you will see that it works...

thanks it so happenes that when i did just that it worked!

I get this message:

You have enabled a App on Facebook integration for your app, but have not specified a Canvas URL.

Secure Canvas URL is required when Sandbox Mode is disabled.

I can't save the created app at Facebook tho i do see at the top the ID and Password for it, but if i copy them into my OXwal facebook plugin section i get:

Failed setup, please check API id and password

Where can i get this information please ?

Thanks

make sure that your edit app settings look exactly like this, but replace it with your website url....