Hello, I have this ERROR message since I install Gimp 2.4.0 Procedural database execution of gimp-image-convert-grayscale failed My script-fu is quite simple but I can't understand where is the mistake. Just have look. Thank a lot for your suggestions (define (script-fu-bb image drawable location inText) (let* ( (theImageHeight) (theImageWidth) (theOffsetX) (namepng) (layer) ) (gimp-image-convert-grayscale image) 0 (set! drawable (car (gimp-image-get-active-drawable image) ) ) (gimp-by-color-select drawable '(255 255 255) 60 2 1 0 0 0) (gimp-edit-cut drawable) (set! theImageWidth (car ( gimp-drawable-width drawable) ) ) (set! theImageHeight (car ( gimp-drawable-height drawable) ) ) (set! theImageWidth (/ (* 180 theImageWidth) theImageHeight)) (gimp-image-scale image theImageWidth 180) (set! theOffsetX (/ (- 240 theImageWidth) 2)) (gimp-image-resize image 240 180 theOffsetX 0) (set! layer (car (gimp-image-get-active-layer image) ) ) (gimp-layer-resize-to-image-size layer) (set! namepng (string-append location inText ".png")) (file-png-save2 1 image drawable namepng inText 1 2 0 0 0 1 1 0 0) (gimp-image-clean-all image) ) ) (script-fu-register "script-fu-bb" "bb" "creation format illustration" "Loic" "copyright 2007, Loic" "Mars 2007" "" SF-IMAGE "Image" 0 SF-DRAWABLE "drawable" 0 SF-STRING "location" "Desktop/Images/" SF-STRING "Text" "a" ) (script-fu-menu-register "script-fu-bb" "<Image>/Script-Fu")