[BUG] TCP/IP Cannot use multi-page stash in MP games with S9 of PD2

[nanafy]

Steps to replicate for Season 9 of PD2, this is not an issue in earlier seasons:

1. Start plugY with an .ini file:

ActiveSharedStash=1
ActiveSharedStashInMultiPlayer=1

2. Host a tcp/ip game

3. Save/Exit from the escape window.

4. Error c000005 will appear.

If one turns off

ActiveSharedStash=1
ActiveSharedStashInMultiPlayer=1

The save file can be written to no problem. This is only an issue in other multiplayer, not in Single Player