If it says - failed, so seems that main problem just incorrect permissions .. try to check orca`s folders ..
if want try to execute
chmod 777 groups/orca/cachejs/ groups/orca/log/ orca/cachejs/ orca/log/
chmod 777 groups/orca/classes groups/orca/js groups/orca/layout orca/classes orca/conf orca/js orca/layout
to it again (it set right permissions)
if want try to execute
chmod 777 groups/orca/cachejs/ groups/orca/log/ orca/cachejs/ orca/log/
chmod 777 groups/orca/classes groups/orca/js groups/orca/layout orca/classes orca/conf orca/js orca/layout
to it again (it set right permissions)
Regards