CiviCRM Community Forums (archive)

So I deleted a bunch of usernames on Drupal. I just want to delete everything to start CiviCRM anew. However I think to delete all I just go to search contact and delete there. but I get this error:
DB Error: no such table
Error Details
Database Error Code: Table 'db346516973.civicrm_prevnext_cache' doesn't exist, 1146
Additional Details:
Array
(
    [callback] => Array
        (
            [0] => CRM_Core_Error
            [1] => handle
        )

    [code] => -18
    [message] => DB Error: no such table
    [mode] => 16
    [debug_info] => DELETE FROM civicrm_prevnext_cache
                           WHERE  entity_table = 'civicrm_contact' AND cacheKey LIKE 'civicrm search 4bfaf72639f53d228db0e8cee5373328_1766%' [nativecode=1146 ** Table 'db346516973.civicrm_prevnext_cache' doesn't exist]
    [type] => DB_Error
    [user_info] => DELETE FROM civicrm_prevnext_cache
                           WHERE  entity_table = 'civicrm_contact' AND cacheKey LIKE 'civicrm search 4bfaf72639f53d228db0e8cee5373328_1766%' [nativecode=1146 ** Table 'db346516973.civicrm_prevnext_cache' doesn't exist]
    [to_string] => [db_error: message="DB Error: no such table" code=-18 mode=callback callback=CRM_Core_Error::handle prefix="" info="DELETE FROM civicrm_prevnext_cache
                           WHERE  entity_table = 'civicrm_contact' AND cacheKey LIKE 'civicrm search 4bfaf72639f53d228db0e8cee5373328_1766%' [nativecode=1146 ** Table 'db346516973.civicrm_prevnext_cache' doesn't exist]"]
)