conflict jar

[rocket13011]

hello,

the error message :
[ERROR] : Conflicting jar files detected:
[ERROR] :
[ERROR] : The following modules have different "zbar.jar" files
[ERROR] : ti.zbar (version 1.0.1) (hash=f5f3917115a962b0f1e3bfd0d775e2d4)
[ERROR] : ti.zbar (version 1.0.1) (hash=83836af2893662e1228d46ce89aa2c72)
[ERROR] :
[ERROR] : You can either select a version of these modules where the conflicting jar file is the same or you
[ERROR] : can try copying the jar file from one module's "lib" folder to the other module's "lib" folder.

the module in trap.xml :
ti.zbar

I got stuck or ? ^^
tks