[Visual77]

Try follow logic. Lookup line 784. VelLastTime.
Search for VelLastTime decleration, line 109 to be exact.

new Float:VelLastTime[32][3];

You have 33 slots. Array limit is for 32 slots. Set array limit to 65+1 and it will never error again.

new Float:VelLastTime[MAXPLAYERS+1][3];