// Enable all skills (set _allSkillsDisabled to False)
enableAllSkills();
// Send a Server->Client Packet MagicSkillCanceld to the L2PcInstance and all L2PcInstance in the _KnownPlayers of the L2Character (broadcast)
MagicSkillCanceld msc = new MagicSkillCanceld(getObjectId());
// Broadcast the packet to self and known players.
Broadcast.toSelfAndKnownPlayersInRadius(this, msc, 810000/* 900 */);
}