library lib1 uses lib0 initializer initLib1
    ...
    struct s1 
        real a
    ...
endlibrary
...
library lib2 uses lib1 initializer initLib2
    ...
    struct s2
        s1 S
    ...

    method m takes real a returns nothing
        local real b = this.S.a            //краш              
        call BJDebugMsg (R2S ("this.S.a")) //работает нормально
    endmethod
    ...
endlibrary