replace throw with error

Author: Ickaser

lib/OrdinaryDiffEqCore/src/initialize_dae.jl

@@ -51,7 +51,7 @@ function _initialize_dae!(integrator, prob::ODEProblem,
         _initialize_dae!(integrator, prob,
             OverrideInit(integrator.opts.abstol), x)
     elseif !isdefined(Main, :OrdinaryDiffEqNonlinearSolve)
-        throw("`OrdinaryDiffEqNonlinearSolve` is not loaded, which is required for the default initialization algorithm (`BrownFullBasicInit` or `ShampineCollocationInit`). To solve this problem, either do `using OrdinaryDiffEqNonlinearSolve` or pass `initializealg = CheckInit()` to the `solve` function. This second option requires consistent `u0`.")
+        error("`OrdinaryDiffEqNonlinearSolve` is not loaded, which is required for the default initialization algorithm (`BrownFullBasicInit` or `ShampineCollocationInit`). To solve this problem, either do `using OrdinaryDiffEqNonlinearSolve` or pass `initializealg = CheckInit()` to the `solve` function. This second option requires consistent `u0`.")
     else
         _initialize_dae!(integrator, prob,
             BrownFullBasicInit(integrator.opts.abstol), x)
@@ -64,7 +64,7 @@ function _initialize_dae!(integrator, prob::DAEProblem,
         _initialize_dae!(integrator, prob,
             OverrideInit(integrator.opts.abstol), x)
     elseif !isdefined(Main, :OrdinaryDiffEqNonlinearSolve)
-        throw("`OrdinaryDiffEqNonlinearSolve` is not loaded, which is required for the default initialization algorithm (`BrownFullBasicInit` or `ShampineCollocationInit`). To solve this problem, either do `using OrdinaryDiffEqNonlinearSolve` or pass `initializealg = CheckInit()` to the `solve` function. This second option requires consistent `u0`.")
+        error("`OrdinaryDiffEqNonlinearSolve` is not loaded, which is required for the default initialization algorithm (`BrownFullBasicInit` or `ShampineCollocationInit`). To solve this problem, either do `using OrdinaryDiffEqNonlinearSolve` or pass `initializealg = CheckInit()` to the `solve` function. This second option requires consistent `u0`.")
     elseif prob.differential_vars === nothing
         _initialize_dae!(integrator, prob,
             ShampineCollocationInit(), x)