Model is underconstrained. The following variables couldn't be defined: * i_Ca_T in component T_type_calcium_current * i_Ca_L in component L_type_calcium_current * i_Ca_K in component calcium_activated_potassium_current * i_K in component potassium_current * i_Cl in component leak_chloride_current * m in component T_type_calcium_current_m_gate * alpha_m in component T_type_calcium_current_m_gate * beta_m in component T_type_calcium_current_m_gate * alpha_h in component T_type_calcium_current_h_gate * beta_h in component T_type_calcium_current_h_gate * alpha_n in component potassium_current_n_gate * beta_n in component potassium_current_n_gate * d/dt V in component membrane * d/dt m in component T_type_calcium_current_m_gate * d/dt h in component T_type_calcium_current_h_gate * d/dt x_Ca in component L_type_calcium_current_x_Ca_gate * d/dt n in component potassium_current_n_gate * d/dt Ca in component calcium_activated_potassium_current