Jailbroken iPhone 4s lock screen reading Null?

I was wondering if anyone can help me out here. I've been running the typophone 4 lock screen on my phone for a while and really like it; but one day I decided just to try a different lockscreen theme. I downloaded and tried the Android LS (That's "tap to unlock" instead of "Slide to unlock). But when I installed it, it was still running the slide to unlock text except now the text is saying "Null" and I can't get it to go away even with the "Slide to unlock Killer" mod. What can I do? Even with my lockscreen back to typophone 4, it still has the "Null" text sitting on top of the unlock text of the lockscreen theme. It also does the same when I switch back to the default lockscreen. It reads "Null" instead of "Slide to unlock"… It looks terrible! Is there any way that I can fix this?

I hope I explained this clearly, sorry for grammar. I typed this in haste.
Any help would be greatly appreciated.

I really hope I can help you on this matter but I'm stuck like you also. I just realized it today after I downloaded Winterboard & I didn't know what did I do wrong. I tried everything to make the (null) text go away. I also installed the iSlide Text but still no change. Please please please help us~~~

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