Server can crash when multiple people are connecting during map rotation about dhadmin HOT 4 CLOSED

Problem is back, unsure why.

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Server crashed when trying to start speed maintenance for the following reward when players were joining "changeclass,1,2,3,5:speed:reset". Perhaps a player is in some connection state where speed maintenance on the player will crash the server.

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Problem may come from the foreach over Players in UTILS_Maintain, while Players is changing.
A simple check if they are still connecting is not enough to fix this problem and it seems to happen for end score setting too.
Possible fix: maintenance should be done on a per player basis, starting maintenance when they are connected.

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This is still a problem, when a key value set is added to the "maintaining" dictionary and multiple people are joining in map rotation the server still crashes for some reason.
Maybe this is some kind of problem with the memory that it can not accommodate for the dictionary add at that time.
Whatever the case, the most straightforward way to fix this is to maintain the speed and score exactly like infinite ammo is maintained, because that does not crash the server like this.

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