Model is underconstrained.
The following variables couldn't be defined:
 * v_GK in component v_GK
 * V_GK in component v_GK
 * S0_5_GK in component v_GK
 * h_GK in component v_GK
 * Glc in component Glc
 * v_GPI in component v_GPI
 * Keq_GPI in component v_GPI
 * v_PFK in component v_PFK
 * pi in component v_PFK
 * V_PFK in component v_PFK
 * S0_5_PFK in component v_PFK
 * S0_5_FBA in component v_PFK
 * X0_5 in component v_PFK
 * sigma in component v_PFK
 * alpha in component v_PFK
 * q in component v_PFK
 * h_PFK in component v_PFK
 * h_PFK_ in component v_PFK
 * h_act in component v_PFK
 * k_cat_K_PFK in component v_PFK
 * KT in component v_PFK
 * KO in component v_PFK
 * v_FBA in component v_FBA
 * rho in component v_FBA
 * V_FBA in component v_FBA
 * Q0_5_FBA in component v_FBA
 * P0_5_FBA in component v_FBA
 * S0_5_GAPD in component v_FBA
 * Keq_FBA in component v_FBA
 * r in component v_FBA
 * p in component v_FBA
 * Keq_TPI in component v_TPI
 * v_TPI in component v_TPI
 * v_GAPD in component v_GAPD
 * V_GAPD in component v_GAPD
 * d/dt Glc in component Glc
 * d/dt G6P in component G6P
 * d/dt F6P in component F6P
 * d/dt FBP in component FBP
 * d/dt DHAP in component DHAP
 * d/dt G3P in component G3P