Couldn't generate code for the following reason: Variable has units second_order_rate_constant which are incompatible with the units first_order_rate_constant on a connected variable.; In MathML apply element. In MathML math element. In CellMLComponent element with cmeta:id M_ADP_Pi with name M_ADP_Pi. In Model element with cmeta:id mlcek_model_2001_version02 with name mlcek_neumann_kittnar_novak_2001_version01.