Please help me!!
I added 2 new catalogues to my app manager.

Catalogue Name: maemo.org extras testing
Catalogue Name: maemo.org extras devel

Then i updated my app manager.But I hadn't any time to install apps.So after few mins I opened the app manager.But it tells

"operation failed"

And I checked the log.

hildon-application-manager 2.2.35-3
write: Broken pipe
write: Broken pipe
apt-worker exited.
apt-worker: can't truncate lock /var/lib/hildon-application-manager/apt-worker-lock: No space left on device
read: Bad file descriptor
apt-worker is not running

Now im fed up with reading threads to find the solution for my problem.I cant install or unstall apps.
And my phone always tells that

"unble to receive or send new massages
Device storage is full
Remove data to free memory"

But there are 965.1mb for installable apps.And 2.72gb available in my phne .

I have rebooted my phone several times..But it doesn't work.
I bought this phone in this year and im new to this device.

please please help me with step by step instructions..