[help] cant recompile apk

Hi Im using cm10.1 on my desire s.
I'm using latest apktool. I'm trying to mod in call screen to make more transparent I did found out how to do it thanks to XDA.
but when I recompile it I got error as in screenshot.

I installed framework-res.apk from my rom and decompiled phone.apk
than I edited Phone\res\layout\in_call_screenui.xml that's it.
when I try to recomple it. I get errors in Phone\values\strings.xml which I didn't even edited. I don't get error in every values folder though.

so what am I doing wrong here? can any1 help please?

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