No tables cloned

Hi,
we successfully used your plugin for cloning one site. Cloning a site for the second time was not possible any more. No tables were cloned. But we have no idea why.

here is the log:

2014-08-05 11:51:14 – RUNNING NS Cloner version: 2.1.4.9

2014-08-05 11:51:14 – Source Prefix: wp_15_
2014-08-05 11:51:14 – Target Prefix: wp_21_
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [12] => 121 [15] => 4357 [17] => 4357 [19] => 4357 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4377 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4415 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4421 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4433 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4437 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4631 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4661 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4663 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4665 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4669 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4671 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4673 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4675 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4677 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4679 ) )
2014-08-05 11:51:14 – Adding ThreeWPBroadcast data: Array ( [version] => 2 [linked_children] => Array ( [3] => 4631 [15] => 4679 [17] => 4901 [19] => 4901 [21] => 4819 ) )
2014-08-05 11:51:14 – no data for sql – SHOW TABLES LIKE ‘wp\_15\_%’ 2014-08-05 11:51:14 – Cloned: 0 tables!
2014-08-05 11:51:14 – running replace on Target table prefix: wp_21_
2014-08-05 11:51:14 – Replace: igv.seimo.biz/laiminger >> With >> igv.seimo.biz/wanner
2014-08-05 11:51:14 – Replace: Stefan Aigner & Josef Laiminger – >> With >> Hartwig Wanner –
2014-08-05 11:51:14 – Replace: blogs.dir/15/ >> With >> blogs.dir/21/
2014-08-05 11:51:14 – Replace: /sites/15/ >> With >> /sites/21/
2014-08-05 11:51:14 – Replace: wp_15_user_roles >> With >> wp_21_user_roles
2014-08-05 11:51:14 – Connecting to DB Error:
2014-08-05 11:51:14 – ERROR:
SHOW TABLES LIKE ‘wp\_21\_%’
2014-08-05 11:51:14 – Original basedir returned by wp_upload_dir() = /var/www/clients/client1/web5/web/igv/wp-content/uploads/sites/15
2014-08-05 11:51:14 – Original basedir returned by wp_upload_dir() = /var/www/clients/client1/web5/web/igv/wp-content/uploads/sites/21
2014-08-05 11:51:16 – Copied: 547 folders and files!
2014-08-05 11:51:16 – From: /var/www/clients/client1/web5/web/igv/wp-content/uploads/sites/15
2014-08-05 11:51:16 – To: /var/www/clients/client1/web5/web/igv/wp-content/uploads/sites/21
2014-08-05 11:51:16 – Entire cloning process took: 2.9304780960083 seconds.

Thanks for your help.

Jo

https://wordpress.org/plugins/ns-cloner-site-copier/