Error in thread 506 (UI update, [ self ui-thread set-global update-ui-loop ]):

Unix signal #4 (SIGILL)

(O) Word: ( callback )
(U) Quotation: [ [ 3keep ] dip -> call ]
    Word: 3bi
(U) Quotation: [ swap [ 2dip ] dip -> ]
    Word: 3dip
(U) Quotation: [ swap [ dip ] dip -> ]
    Word: 2dip
(U) Quotation: [ swap [ call ] dip -> ]
    Word: dip
(U) Quotation: [
        [ \ CGRect memory>struct ] dip -> [ drop ] 2dip
        "initWithFrame:pixelFormat:" super-send
        dup dup add-resize-observer >c-ptr
    ]
(U) Quotation: [
        63 special-object error-thread set-global
        continuation -> error-continuation set-global rethrow
    ]