Closed Issue: ajax tabcontainer Can't move focus to the control because it is invisible, not enabled, or of a type that does not accept [27076]

Hello Sir/Madm ,
i have got this issue when i use ajax tabcontainer . i have simple put this on page when my page is open in IE then it will raised this error.
i have used ajaxcontroltoolkit.dll version 4.1.51116, kindly help me to resolve the issue.
Comments: Please upgrade to the latest version of AJAX Control Toolkit v15.1. If the problem remains, feel free to post a new issue.