i cant watch 90% of my demos. older ones. mostly a few months back to a couple years old
it reads.

Playing demo from denuker.dem.
DataTable warning: No matching RecvTable for SendTable 'DT_BaseAttributableItem'.

Host_Error: DataTable_ParseClientTablesFromBuffer failed.



any ideas? i have so many good highlights

Yes, after one of the recent updates you can't watch a demo. If they are really important to you, my solution is to download non steam client with older version.