Update Work Item Button click is not working

HI All

I’m working on Generating Client Hash Security,Lesson 3 Assignment. I’ve generated the client info from system 1 url, created a new tab for sha1 url and generated the hash string. And Using hot key navigated to previous tab. But couldn’t click update work item button
getting following error

Click ‘BUTTON’: Cannot find the UI element corresponding to this selector:

Hi @NancyThomas
Use this

Thanks
Ashwin S

@NancyThomas,

Check the click button activity’s selector, it may have the previous workitem number, you need to remove it and validate it with a (*) using UiExplorer.

sir,I’m working on Generating Client Hash Security,Lesson 3 Assignment. I’ve generated the client info from system 1 url, created a new tab for sha1 url and generated the hash string.when i click the update work item button, not working manually and open a new window in iexplore. please help me …
Infact when i open it in chrome browser it working and open new window but i am facing selector issue in the type into activity