If you try to load a 1.09 character into a 1.14 installation:
If you want to open or modify a .d2s file, you cannot use Notepad. The file is binary and encrypted with a simple checksum. Instead, you need specialized software. diablo 2 lod character save files
Look for a file named _LOD_SharedStashSave.d2s (PlugY version) or PlugY.stash in your save folder. That file holds all shared items. Your individual characters are still safe in their .d2s files. If you try to load a 1