'Running prover in why3 ,using coq - error

I run coq prover for why3 program and when I run it ,coq ide pops up. Then I am trying to go forward one command, and immediately get this error Cannot find a physical path bound to logical path BuildIn on the first command
Require Import BuiltIn.. Terminal from which I run why3 shows when I try to go forward
Warning: Cannot open /usr/lib64/why3/coq [cannot-open-path,filesystem]
It is on Fedora Scientific, how to fix the problem, so I can conduct proofs.



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