ios - Unable to post Tweets to Twitter if twitter application is installed in the device in ipad1 -

i facing issue ipad1 (ios 5.1), have application, need post tweet app, prerequisite should have twitter application installed in device, have logged in through device settings twitter credentials. when tried post tweet using app, showing alert "cannot send tweet because connection twitter failed"..

i have gone through many sites , dev.twitter.com, did not find solution..

can faced type of issue, or please me solve this. ideas???