Upgrade error Drupal 7.15 CiviCRM 4.15 to 4.2 :-(

[Rar9]

I´m getting the following error.... Why would the update to 4.2 say that my database is 4.2 ALPHA1?


CiviCRM Upgrade Tasks
Error message

    Warning: file_get_contents(sites/all/modules/civicrm/drupal/../packages/jquery/plugins/DataTables-1.7.6/media/js/jquery.dataTables.min.js): failed to open stream: No such file or directory in _locale_parse_js_file() (line 1488 of /var/www/vhosts/.../httpdocs/includes/locale.inc).
    Warning: file_get_contents(sites/all/modules/civicrm/drupal/../js/jquery/jquery.crmrowhighlighter.js): failed to open stream: No such file or directory in _locale_parse_js_file() (line 1488 of /var/www/vhosts/.../httpdocs/includes/locale.inc).
    Warning: file_get_contents(sites/all/modules/civicrm/drupal/../packages/jquery/plugins/DataTables-1.7.6/media/js/jquery.dataTables.min.js): failed to open stream: No such file or directory in drupal_build_js_cache() (line 4846 of /var/www/vhosts/.../httpdocs/includes/common.inc).
    Warning: file_get_contents(sites/all/modules/civicrm/drupal/../js/jquery/jquery.crmrowhighlighter.js): failed to open stream: No such file or directory in drupal_build_js_cache() (line 4846 of /var/www/vhosts/.../httpdocs/includes/common.inc).

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[Error: Upgrade DB to 4.2.alpha1: SQL]

DB Error: already exists

[SemperFi]

Hello - Your problem may also be related to mine "Error: Upgrade DB to 4.2.alpha1: SQL", during the first step of the 4.2 upgrade script : http://forum.civicrm.org/index.php/topic,25725.0.html

[Rar9]

Looks like we all need to wait till the update is working fin for another months or so :-(