Error in Archivejob: Adding a subtable to the row, but it already has a subtable associated (no replies)

Hi,

my archivejob ist not working with several sites: (only the large sites?)

Error: Got invalid response from API request: http://xxx.yyy.com/index.php?module=API&method=VisitsSummary.getVisits&idSite=6&period=year&date=last3&format=php&token_auth=c8b5f7df73cd9cd49f9b0cca2e0728b8&trigger=archivephp. Response was 'a:2:{s:6:"result";s:5:"error";s:7:"message";s:71:"Adding a subtable to the row, but it already has a subtable associated.";}'
1 total errors during this script execution, please investigate and try and fix these errors


Piwik Version 2.0.3
PHP 5.4.24-1

Apache error log is empty.

Any ideas?


SH28