[Typo3-german] a selte Frage fuer mich

[zsl vincent]

hallo alles
        jetyt ich moechte die Gmenu item durch die Beispiel lernen,aber 
es gibt immer eine Fehler wenn ich kopiere die Typoscript yu meine Setup
        die Fehler ist:
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"Fatal error: Call to undefined function ImageTTFBBox() in 
D:\WEB_NEW_Design\install_3_8_0\t3lib\class.t3lib_stdgraphic.php on line 
922"
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even when i only write the most simplest example,i still get the same error
take this for example,the error is still what i said before,why?
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page.10 = HMENU
page.10.1 = GMENU
page.10.1.NO {
   XY = [10.w],[10.h]
   backColor = #cccccc || #eeeeee
   10 = TEXT
   10.text.field = title
   10.offset = 0,7
}
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