Correct Nivo Slider

Hello Budget is very tight. So first check it out before you do the work so you know what you must charge. Site is [login to view URL] Problem: Something has happens with the slider on the Homepage. Nivoslider. Slider 2 and 4 Does not work. Also mailed dev. But He is very busy and seems he not know what the problem is. Something strage has happend. it works great on another site we have it is [login to view URL] I want to be able to correct this without having to remake the whole site. Here is the JS errors i found. Uncaught TypeError: Cannot call method 'substr' of undefined [login to view URL] processCaption [login to view URL] nivoRun [login to view URL] (anonymous function) [login to view URL] 3 Uncaught TypeError: Cannot call method 'substr' of undefined [login to view URL] processCaption [login to view URL] nivoRun [login to view URL] $.[login to view URL] [login to view URL] [login to view URL] [login to view URL] f.event.add.h.handle.i [login to view URL] 13 Uncaught TypeError: Cannot call method 'substr' of undefined [login to view URL] processCaption [login to view URL] nivoRun [login to view URL] (anonymous function) [login to view URL] Uncaught TypeError: Cannot call method 'substr' of undefined [login to view URL] 5 Uncaught TypeError: Cannot call method 'substr' of undefined [login to view URL] Already tried replace themefiles with no sucess. to the problem. Really hope you can help :)