L 07/29/2016 - 14:21:04: [SM] Exception reported: Client index 0 is invalid
L 07/29/2016 - 14:21:04: [SM] Blaming: TF2_Stats.smx()
L 07/29/2016 - 14:21:04: [SM] Call stack trace:
L 07/29/2016 - 14:21:04: [SM] [0] IsClientInGame
L 07/29/2016 - 14:21:04: [SM] [1] Line 4329, C:\sourcemod-1.5.0-hg3600\TF2_Stats.sp::Command_Say()
Console: 2702.50
wt is this problem?