I don;t actually know what the problem was (the box flashed up after i had watched a replay..... in case the info is useful to anyone:
Traceback (most recent call last):
File "src\replays\_replayswidget.py", line 566, in replayVault
File "src\replays\replayitem.py", line 218, in infoPlayers
File "src\replays\replayitem.py", line 277, in generateInfoPlayersHtml
RuntimeError: wrapped C/C++ object of type ReplayItem has been deleted
Runtime info:
FAF Username: partymarty81
FAF Version: 0.16.1-rc.1+2374
FAF Environment: production
FAF Directory: C:\ProgramData\FAForever
FA Path: : C:\Program Files (x86)\Steam\steamapps\common\supreme commander forged alliance
Home Directory: C:/Users/Martin/Documents
Platform: Windows-10-10.0.15063
Uname: uname_result(system='Windows', node='regankennard', release='10', version='10.0.15063', machine='AMD64', processor='Intel64 Family 6 Model 60 Stepping 3, GenuineIntel')