vem-node: Changed assertion of "is a base being discarded which still have views", into printing an error-message and returning BH_ERROR.
vem-node: Changed assertion of "is a base being discarded which still
have views", into printing an error-message and returning BH_ERROR.

madsbk/bohrium,bh107/bohrium,madsbk/bohrium,madsbk/bohrium,madsbk/bohrium,bh107/bohrium,bh107/bohrium,bh107/bohrium