Help Java Problem

[ExCaLiBuR®]

Good evening. I switched the code Rank pvp system by masterio

and without doing something else i have this problem

 

 

he thing is that these files dont have nothing to do with the rank pvp system

 

and no I have edited this files. 

[ExCaLiBuR®]

ok lock..

 

unistall the jre 1.7U25 and install the 1.7U45

[ExCaLiBuR®]

up

[Tryskell]

http://stackoverflow.com/questions/860187/access-restriction-on-class-due-to-restriction-on-required-library-rt-jar

[ExCaLiBuR®]

http://stackoverflow.com/questions/860187/access-restriction-on-class-due-to-restriction-on-required-library-rt-jar

nothing...again the same error