ADOFAIRenderer/Patch/ClassPatch/scrMistakesManagerPatch.cs

using ADOFAIRenderer.Component;
using HarmonyLib;

namespace ADOFAIRenderer.Patch.ClassPatch
{
    [HarmonyPatch(typeof(scrMistakesManager))]
    // ReSharper disable once InconsistentNaming
    public static class scrMistakesManagerPatch
    {
        [HarmonyPrefix]
        [HarmonyPatch("SaveCustom")]
        public static bool PreventSaveCustom()
        {
            return !RenderManager.IsActive;
        }
    }
}