Still getting same error. I'm using last version of plugin.
L 04/14/2017 - 21:54:28: [SM] Exception reported: Entity -1 (-1) is invalid
L 04/14/2017 - 21:54:28: [SM] Blaming: futuristicgrenades.smx
L 04/14/2017 - 21:54:28: [SM] Call stack trace:
L 04/14/2017 - 21:54:28: [SM] [0] GetEntPropString
L 04/14/2017 - 21:54:28: [SM] [1] Line 1073, C:\Users\Jimi\Desktop\SourcePawn\CSGO\Finishe d\FUTURISTICGRENADES\scripting\futuristicgren ades.sp::SpawnEffect
L 04/14/2017 - 21:54:28: [SM] [2] Line 1066, C:\Users\Jimi\Desktop\SourcePawn\CSGO\Finishe d\FUTURISTICGRENADES\scripting\futuristicgren ades.sp::Timer_Decoy
L 04/14/2017 - 22:19:42: Error log file session closed.