Command NOT FOUND

[sjs200106]

SPECThead

/gate/world/daughters/name SPECThead
/gate/world/daughters/insert trpd
/gate/SPECThead/geometry/setX1Length 110.74mm
/gate/SPECThead/geometry/setY1Length 110.74 mm
/gate/SPECThead/geometry/setX2Length 60 mm
/gate/SPECThead/geometry/setY2Length 60 mm
/gate/SPECThead/geometry/setZLength 48.25 mm
/gate/SPECThead/geometry/disableCavity true

[G4-cerr]**** COMMAND NOT FOUND </gate/SPECThead/geometry/disableCavity true>

I don't know the reason.The GATE9.3 is OK,but the GATE9.2 have this cerr.