This plugin looks like it needs to be fine tuned. The following errors fill up the log files fast.
[SM] Native "GetClientTeam" reported: Client index 0 is invalid
L 02/20/2013 - 11:43:19: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:43:19: [SM] [0] Line 1660, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::RoundStart()
L 02/20/2013 - 11:43:19: [SM] Native "GetClientTeam" reported: Client index 0 is invalid
L 02/20/2013 - 11:43:19: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:43:19: [SM] [0] Line 2613, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::OnMapStart()
L 02/20/2013 - 11:45:16: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:16: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:16: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:16: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:17: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:17: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:17: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:17: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:18: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:18: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:18: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:18: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:18: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:18: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:18: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:18: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:22: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:22: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:22: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:22: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:23: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:23: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:23: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:23: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:23: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:23: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:23: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:23: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:25: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:25: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:25: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:25: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:25: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:25: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:25: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:25: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:27: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:27: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
L 02/20/2013 - 11:45:27: [SM] [0] Line 1650, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp::IsPlayerTank()
L 02/20/2013 - 11:45:27: [SM] [1] Line 841, /home/groups/sourcemod/upload_tmp/phpPoPoZH.sp:
K()
L 02/20/2013 - 11:45:27: [SM] Native "GetEntProp" reported: Property "m_zombieClass" not found (entity 0/worldspawn)
L 02/20/2013 - 11:45:27: [SM] Displaying call stack trace for plugin "RollPlayingGameMode.smx":
__________________