Update errors :

[Wed Jul 30 05:01:47 2014] updatedatabase.pl: DBD::mysql::db do failed: Duplicate key name 'surname_idx' at /home/koha/koha-test/intranet/cgi-bin/installer/data/mysql/updatedatabase.pl line 7841.
[Wed Jul 30 05:01:50 2014] updatedatabase.pl: DBD::mysql::db do failed: Unknown column 'ctId' in 'collections_tracking' at /home/koha/koha-test/intranet/cgi-bin/installer/data/mysql/updatedatabase.pl line 7863.
[Wed Jul 30 05:01:50 2014] updatedatabase.pl: DBD::mysql::db do failed: Can't DROP 'marc'; check that column/key exists at /home/koha/koha-test/intranet/cgi-bin/installer/data/mysql/updatedatabase.pl line 7881.
[Wed Jul 30 05:02:09 2014] updatedatabase.pl: DBD::mysql::db do failed: BLOB/TEXT column 'issn' used in key specification without a key length at /home/koha/koha-test/intranet/cgi-bin/installer/data/mysql/updatedatabase.pl line 8420.
[Wed Jul 30 05:02:09 2014] updatedatabase.pl: DBD::mysql::db do failed: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys at /home/koha/koha-test/intranet/cgi-bin/installer/data/mysql/updatedatabase.pl line 8424.