PyCharm Console Log after running AdiabaticCombustor3.py

Combustion Temperature of H2 (Hydrogen) & O2 (Oxygen) = 4376.907K
Combustion Temperature of CH4 (Methane) & O2 (Oxygen) = 3056.987K
Combustion Temperature of C2H5OH(Ethanol) 95% & O2 (Oxygen) = 2886.482K
Combustion Temperature of C2H5OH(Ethanol) 75% & O2 (Oxygen) = 2886.482K
Combustion Temperature of C6H5NH2 (Aniline) & O2 (Oxygen) = 1897.583K
Combustion Temperature of NH3 (Ammonia) & O2 (Oxygen) = 2538.942K
Combustion Temperature of CH6N2 (MonomethylHydrazine) & O2 (Oxygen) = 2279.577K
Combustion Temperature of N2H4 (Hydrazine) & O2 (Oxygen) = 2108.664K
Combustion Temperature of CH3OH (Methanol) & O2 (Oxygen) = 3397.068K
Combustion Temperature of C12H26 (n-Dodecane) & O2 (Oxygen) = 2636.962K

Combustion Temperature of H2 (Hydrogen) & F2 (Fluorine) = Traceback (most recent call last):
  File "C:\Users\████████\Operational_Functional_Block\Python_Projects\Rocket Engine Generator\AdiabaticCombustor3.py", line 317, in <module>
    result = calculate(Oxidizer, Fuel)
             ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\████████\Operational_Functional_Block\Python_Projects\Rocket Engine Generator\AdiabaticCombustor3.py", line 270, in calculate
    min_max = close(delta_H, 0)
              ^^^^^^^^^^^^^^^^^
  File "C:\Users\████████\Operational_Functional_Block\Python_Projects\Rocket Engine Generator\AdiabaticCombustor3.py", line 249, in close
    raise IndexError(f"Index could not be dound within list, could not find {target} within {arr}")
IndexError: Index could not be dound within list, could not find 0 within [-635.9036003319052, -619.1907121561692, -545.452, -545.3413055901048, -539.4011315630845, -533.5082018311647, -527.6338175930467, -521.7520505666063, -515.843659655108, -509.8924069065658, -503.88342928543, -497.8045356063835, -491.6471691772545, -485.4064708970523, -479.0807593723931, -472.6707952014244, -466.179055426277, -459.60911928873827, -452.9651919911655, -446.25175739331985, -439.4733373258761, -432.6343331622476, -425.73892798814177, -418.79103185651564, -411.79425672702064, -404.7519112004122, -397.6670079422124, -390.54227880173096, -383.3801941886512, -376.18298439220234, -368.95266132476877, -361.6910397291088, -354.39975727265056, -347.08029321323664, -339.73398549454953, -332.3620462425059, -324.965575704932, -317.5455747190954, -310.10295581456563, -302.63855306889593, -295.1531308353485, -287.6473914583993, -280.1219820862216, -272.5775006811511, -265.0145013202611, -257.4334988691963, -249.83497310373895, -242.21937234540815, -234.58711666985397, -226.93860073994614, -219.27419630927318, -211.59419824415522, -203.8986638387725, -196.18759269426278, -188.46098445182366, -180.71883878840612, -172.96115541292113, -165.187934062894, -157.39917450150574, -149.59487651497324, -141.77503991022434]

Process finished with exit code 1