Model is underconstrained.
The following variables couldn't be defined:
 * RXN1 in component RXN1
 * RXN2 in component RXN2
 * RXN5 in component RXN5
 * RXN11 in component RXN11
 * RXN6 in component RXN6
 * RXN10 in component RXN10
 * RXN12 in component RXN12
 * RXN3 in component RXN3
 * RXN7 in component RXN7
 * RXN8 in component RXN8
 * RXN13 in component RXN13
 * DRP in component DRP
 * RXN14 in component RXN14
 * RXN9 in component RXN9
 * RXN15 in component RXN15
 * RXN16 in component RXN16
 * RXN4 in component RXN4
 * d/dt A in component A
 * d/dt C in component C
 * d/dt DA in component DA
 * d/dt DAp in component DAp
 * d/dt DR in component DR
 * d/dt DRP in component DRP
 * d/dt MA in component MA
 * d/dt MR in component MR
 * d/dt R in component R