HELP PLEASE!!!!Device in Problem after installing an app........

[S7Scorpio]

I rooted my device Samsung Galaxy Ace plus ..................i rooted it using clockworkmod.md5 , odin3 and rootme.zip files..................While rooting i guess it dint show any error message..............Then afterwards i downloaded an app named root toolbox...........After opening it ,it asked for super user access and allowed it.........
Later all of a sudden it rebooted and stopped at CWM-based Recovery (Recovery mode).............
I tried 2 rebbot the system but it was still opening in recovery mode...........
I'm not able 2 access my device...........
What should i do????

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