erreur à l'ouverture de Emc2

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Les tests lors de la configuration de mon stepconf sont bons, mais lorsque je lance Emc2 voici l'erreur qui arrive immédiatement :

/Volumes/USB\ DISK/erreur\ emc2 ; exit;
/Volumes/USB DISK/erreur emc2: line 1: Print: command not found
/Volumes/USB DISK/erreur emc2: line 13: EMC2: command not found
Machine: Can't find any plists for Machine
Machine: Can't find any plists for Machine
/Volumes/USB DISK/erreur emc2: line 16: 7045/zay: No such file or directory
/Volumes/USB DISK/erreur emc2: line 24: Starting: command not found
/Volumes/USB DISK/erreur emc2: line 25: Starting: command not found
/Volumes/USB DISK/erreur emc2: line 26: Loading: command not found
/Volumes/USB DISK/erreur emc2: line 27: Starting: command not found
/Volumes/USB DISK/erreur emc2: line 28: Shutting: command not found
/Volumes/USB DISK/erreur emc2: line 29: Killing: command not found
/Volumes/USB DISK/erreur emc2: line 30: Removing: command not found
/Volumes/USB DISK/erreur emc2: line 31: Removing: command not found
/Volumes/USB DISK/erreur emc2: line 32: Cleanup: command not found
/Volumes/USB DISK/erreur emc2: line 34: Debug: command not found
/Volumes/USB DISK/erreur emc2: line 35: Could: command not found
/Volumes/USB DISK/erreur emc2: line 36: 2835: command not found
/Volumes/USB DISK/erreur emc2: line 37: PID: command not found
/Volumes/USB DISK/erreur emc2: line 38: Stopping: command not found
/Volumes/USB DISK/erreur emc2: line 39: Unloading: command not found
/Volumes/USB DISK/erreur emc2: line 41: Kernel: command not found
/Volumes/USB DISK/erreur emc2: line 42: [: missing `]'
/Volumes/USB DISK/erreur emc2: line 43: 3.8.1: No such file or directory
/Volumes/USB DISK/erreur emc2: line 44: syntax error near unexpected token `('
/Volumes/USB DISK/erreur emc2: line 44: `[ 2646.092638] RTAI[hal]: compiled with gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) .'
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