Error FreeBayes

Whats the problem in this error wile running FreeBayes?

An error occurred while running the tool toolshed.g2.bx.psu.edu/repos/devteam/freebayes/freebayes/1.3.1 .
Fatal error: Exit code 101 ()
could not open /cvmfs/data.galaxyproject.org/byhand/Araly1/sam_index/Araly1.fa,/cvmfs/data.galaxyproject.org/managed/sam_indexes/Araly1/Araly1.fa