msql error

Query:
CREATE DATABASE `mangos` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci

Error occured at:2008-02-08 05:52:32
Line no.:3
Error Code: 1007 - Can't create database 'mangos'; database exists

Query:
ALTER TABLE `item_template` CHANGE `RequiredRaputationRank` `RequiredReputationRank` INT( 30 ) unsigned NOT NULL DEFAULT '0' 

Error occured at:2008-02-11 16:39:51
Line no.:1
Error Code: 1054 - Unknown column 'RequiredRaputationRank' in 'item_template'

Query:
ALTER TABLE `item_template` ADD `RangedModRange` float NOT NULL default '0' AFTER `ammo_type` 

Error occured at:2008-02-11 16:40:18
Line no.:1
Error Code: 1060 - Duplicate column name 'RangedModRange'

Query:
ALTER TABLE `item_template` ADD `RangedModRange` float NOT NULL default '0' AFTER `ammo_type` 

Error occured at:2008-02-11 16:42:56
Line no.:1
Error Code: 1060 - Duplicate column name 'RangedModRange'

Query:
ALTER TABLE `item_template` ADD `RangedModRange` float NOT NULL default '0' AFTER `ammo_type` 

Error occured at:2008-02-11 16:47:25
Line no.:1
Error Code: 1146 - Table 'mangos.item_template' doesn't exist

Query:
ALTER TABLE `item_template` ADD `RangedModRange` float NOT NULL default '0' AFTER `ammo_type` 

Error occured at:2008-02-11 16:47:50
Line no.:1
Error Code: 1146 - Table 'mangos.item_template' doesn't exist

Query:
/*Data for the table `item_template` */
insert  into `item_template`(`entry`,`class`,`subclass`,`unk0`,`name`,`displayid`,`Quality`,`Flags`,`BuyCount`,`BuyPrice`,`SellPrice`,`InventoryType`,`AllowableClass`,`AllowableRace`,`ItemLevel`,`RequiredLevel`,`RequiredSkill`,`RequiredSkillRank`,`requiredspell`,`requiredhonorrank`,`RequiredCityRank`,`RequiredReputationFaction`,`RequiredReputationRank`,`maxcount`,`stackable`,`ContainerSlots`,`stat_type1`,`stat_value1`,`stat_type2`,`stat_value2`,`stat_type3`,`stat_value3`,`stat_type4`,`stat_value4`,`stat_type5`,`stat_value5`,`stat_type6`,`stat_value6`,`stat_type7`,`stat_value7`,`stat_type8`,`stat_value8`,`stat_type9`,`stat_value9`,`stat_type10`,`stat_value10`,`dmg_min1`,`dmg_max1`,`dmg_type1`,`dmg_min2`,`dmg_max2`,`dmg_type2`,`dmg_min3`,`dmg_max3`,`dmg_type3`,`dmg_min4`,`dmg_max4`,`dmg_type4`,`dmg_min5`,`dmg_max5`,`dmg_type5`,`armor`,`holy_res`,`fire_res`,`nature_res`,`frost_res`,`shadow_res`,`arcane_res`,`delay`,`ammo_type`,`RangedModRange`,`spellid_1`,`spelltrigger_1`,`spellcharges_1`,`spellppmRate_1`,`spellcooldown_1`,`spellcategory_1`,`spellcategorycooldown_1`,`spellid_2`,`spelltrigger_2`,`spellcharges_2`,`spellppmRate_2`,`spellcooldown_2`,`spellcategory_2`,`spellcategorycooldown_2`,`spellid_3`,`spelltrigger_3`,`spellcharges_3`,`spellppmRate_3`,`spellcooldown_3`,`spellcategory_3`,`spellcategorycooldown_3`,`spellid_4`,`spelltrigger_4`,`spellcharges_4`,`spellppmRate_4`,`spellcooldown_4`,`spellcategory_4`,`spellcategorycooldown_4`,`spellid_5`,`spelltrigger_5`,`spellcharges_5`,`spellppmRate_5`,`spellcooldown_5`,`spellcategory_5`,`spellcategorycooldown_5`,`bonding`,`description`,`PageText`,`LanguageID`,`PageMaterial`,`startquest`,`lockid`,`Material`,`sheath`,`RandomProperty`,`RandomSuffix`,`block`,`itemset`,`MaxDurability`,`area`,`Map`,`BagFamily`,`TotemCategory`,`socketColor_1`,`socketContent_1`,`socketColor_2`,`socketContent_2`,`socketColor_3`,`socketContent_3`,`socketBonus`,`GemProperties`,`ExtendedCost`,`RequiredArenaRank`,`RequiredDisenchantSkill`,`ArmorDamageModifier`,`ScriptName`,`DisenchantID`,`FoodType`,`minMoneyLoot`,`maxMoneyLoot`)

//alot of information to go in the table

Error occured at:2008-02-11 16:50:09
Line no.:170
Error Code: 1153 - Got a packet bigger than 'max_allowed_packet' bytes

Query:
ALTER TABLE `item_template` ADD `RangedModRange` float NOT NULL default '0' AFTER `ammo_type` 

Error occured at:2008-02-11 16:54:31
Line no.:1
Error Code: 1060 - Duplicate column name 'RangedModRange'