◄Up► ◄Contents► ◄Index► ◄Back► ──────────────────────────────────────────────────────────────────────────── C/FORTRAN Run-Time Error R6006 invalid format on exec The file to be executed by one of the exec functions was not in the correct format for an executable file. This error occurs when a child process that was spawned by one of the exec library routines fails and the operating system cannot return control to the parent process. -♦-