error: Expected constant expression: Section "sect"'s size is not known
    at section-sizeof-startof.asm(5)
error: Expected constant expression: Section "sect2"'s bank is not known
    at section-sizeof-startof.asm(21)
error: Expected constant expression: Section "sect2"'s size is not known
    at section-sizeof-startof.asm(22)
error: Expected constant expression: Section "sect2"'s start is not known
    at section-sizeof-startof.asm(23)
error: Expected constant expression: Section "sect3"'s size is not known
    at section-sizeof-startof.asm(30)
Assembly aborted with 5 errors!