update error messages in parallel_for
update error messages in parallel_for

MengjiaoH/ospray,ospray/OSPRay,wilsonCernWq/ospray,MengjiaoH/ospray,MengjiaoH/ospray,MengjiaoH/ospray,ospray/OSPRay,ospray/OSPRay,ospray/OSPRay,wilsonCernWq/ospray,wilsonCernWq/ospray,MengjiaoH/ospray