Lyapunov exponents failed

[beloved321]

julia> function RF(du, u, t)
du[1] = u[2](u[3]-1+u[1]u[1])+0.1u[1];
du[2] = u[1](3u[3]+1-u[1]u[1])+0.1u[2];
du[3] = -2u[3]*(0.98+u[1]*u[2]);
end
RF (generic function with 1 method)

julia> LE, tspan = FOLyapunov(RF, 0.98, 0, 0.02, 300, [0.1; 0.1; 0.1], 0.005, 1000)
ERROR: UndefVarError: FOLyapunov not defined
Stacktrace:
[1] top-level scope
@ REPL[12]:1
i sincerely need help identifying why i am getting this particular error

[ErikQQY]

Hello there! Sorry for the error, I have not released this feature in FractionalSystems.jl yet. Maybe you can try the fractional Lyapunov exponents feature in FractionalDiffEq.jl

[beloved321]

Hi, thank you the other day for your response but I am still having the same error