Both flap manoeuvring speed (1,5,15 etc) and minimum manoeuvring speed (amber band) are calculated by the FMC.
Therefore, an incorrect ZFW entry or a faulty fuel quantity input would cause both of these indications to be incorrect.
The stick shaker warning (red blocks) is not FMC generated - it comes from the SMYD unit using various sensory and configuration inputs, so it would still be correct.