[EconomicVoice]

Originally Posted by imported_nimbus

Let me share my solution.

bitly.php:
I set the following Curl options:
$options[CURLOPT_FOLLOWLOCATION] = false;
$options[CURLOPT_HEADER] = false;

and for twitter.php:
$options[CURLOPT_FOLLOWLOCATION] = false;

Then all error messages gone!

This is the solution that worked for me too (like many others).

Although I didn't seem to have a 'CURLOPT_HEADER' in the bitly php, just changing the other two did the job.