[serqq]

First of all, indent your code because it's ugly and unreadable.
Second, your error is here:

Код:

public OnPlayerTakeDamage(playerid, issuerid, Float: amount, weaponid, bodypart)

Change it to:

Код:

public OnPlayerTakeDamage(playerid, issuerid, Float:amount, weaponid, bodypart)