patch to 2.0 db don't work>

root@coudy:/home/zabbix/zabbix-1.9.9/upgrades/dbpatches/2.0/mysql# ./upgrade zabbix
WARNING: backup your database before performing upgrade

This is an UNSUPPORTED Zabbix upgrade script from 1.8 to 2.0 for MySQL
It does the following things:
1. Updates indexes that might require changes;
2. Patches the database from 1.8 schema to 2.0 schema;
3. Adds 'Disabled' and 'Debug' usergroup if any missing;
4. Checks for hosts not belonging to any group and adds them to one if any found.

Usage: pass required MySQL parameters to this script (like database, user, password etc).

Continue ? (y/n) y
Dropping indexes that might need re-creation...
... dropping of indexes took 0:00:00
Creating possibly missing indexes...
creating of indexes took 0:00:00
Patching the database
ERROR 1091 (42000) at line 136: Can't DROP 'escalations_2'; check that column/key exists
Failed to patch Zabbix database. Restore from backup

root@coudy:/home/zabbix/zabbix-1.9.9/upgrades/dbpatches/2.0/mysql# ./upgrade zabbix
WARNING: backup your database before performing upgrade

This is an UNSUPPORTED Zabbix upgrade script from 1.8 to 2.0 for MySQL
It does the following things:
1. Updates indexes that might require changes;
2. Patches the database from 1.8 schema to 2.0 schema;
3. Adds 'Disabled' and 'Debug' usergroup if any missing;
4. Checks for hosts not belonging to any group and adds them to one if any found.

Usage: pass required MySQL parameters to this script (like database, user, password etc).

Continue ? (y/n) y
Dropping indexes that might need re-creation...
... dropping of indexes took 0:00:00
Creating possibly missing indexes...
creating of indexes took 0:00:00
Patching the database
ERROR 1005 (HY000) at line 6: Can't create table 'zabbix.#sql-6b2b_a6' (errno: 121)
Failed to patch Zabbix database. Restore from backup