Model is underconstrained. The following variables couldn't be defined: * Met in component Met * V_MS in component V_MS * V_BHMT in component V_BHMT * V_MATI in component V_MATI * V_MATIII in component V_MATIII * Metin in component Met * V_METH in component V_METH * V_GNMT in component V_GNMT * V_AH in component V_AH * V_CBS in component V_CBS * Km1_MATIII in component V_MATIII * Km1_METH in component V_METH * five_mTHF in component V_MS * d/dt Met in component Met * d/dt AdoMet in component AdoMet * d/dt AdoHcy in component AdoHcy * d/dt Hcy in component Hcy