This specific error code——is a notorious headache for Skyrim Special Edition players. It almost always points to a memory access violation, typically triggered when the game tries to load a plugin, script, or asset that is corrupted or incompatible with your current version of SkyrimSE.exe .

Open EngineFixes.toml and ensure SaveAddedSoundCategories is set to false if you continue to experience crashes during save loading. 4. Binary Search (The "Half-and-Half" Method)

Here is a comprehensive guide to diagnosing and fixing the crash. 1. Identify the Version Mismatch (The Most Likely Culprit)

Check your SkyrimSE.exe version (Right-click properties > Details). Ensure you have downloaded the SKSE build that matches that specific version number. If you are on 1.6.640 or higher, "pre-AE" mods will likely cause a d6ddda crash. 2. Update the "Address Library for SKSE Plugins"