Database Error Code: Truncated incorrect DOUBLE value: '', 1292
Additional Details:
Array
(
    [callback] => Array
        (
            [0] => CRM_Core_Error
            [1] => handle
        )

    [code] => -1
    [message] => DB Error: unknown error
    [mode] => 16
    [debug_info] => CREATE TEMPORARY TABLE civicrm_temp_group_contact_cache1218 (SELECT 14 as group_id,  contact_a.id as id  FROM civicrm_contact contact_a LEFT JOIN civicrm_email ON (contact_a.id = civicrm_email.contact_id AND civicrm_email.is_primary = 1)  LEFT JOIN civicrm_group_contact_cache civicrm_group_contact_cache ON contact_a.id = civicrm_group_contact_cache.contact_id    LEFT JOIN civicrm_entity_tag `civicrm_entity_tag-6,9` ON ( `civicrm_entity_tag-6,9`.entity_id = contact_a.id  AND `civicrm_entity_tag-6,9`.entity_table = 'civicrm_contact')   WHERE  ( civicrm_email.on_hold IN ("") OR  (  ( civicrm_group_contact_cache.group_id IN ("20") )  )  OR `civicrm_entity_tag-6,9`.tag_id IN ( 6,9 ) )  AND (contact_a.is_deleted = 0)   AND contact_a.id NOT IN (
                              SELECT contact_id FROM civicrm_group_contact
                              WHERE civicrm_group_contact.status = 'Removed'
                              AND   civicrm_group_contact.group_id = 14 ) ); [nativecode=1292 ** Truncated incorrect DOUBLE value: '']
    [type] => DB_Error
    [user_info] => CREATE TEMPORARY TABLE civicrm_temp_group_contact_cache1218 (SELECT 14 as group_id,  contact_a.id as id  FROM civicrm_contact contact_a LEFT JOIN civicrm_email ON (contact_a.id = civicrm_email.contact_id AND civicrm_email.is_primary = 1)  LEFT JOIN civicrm_group_contact_cache civicrm_group_contact_cache ON contact_a.id = civicrm_group_contact_cache.contact_id    LEFT JOIN civicrm_entity_tag `civicrm_entity_tag-6,9` ON ( `civicrm_entity_tag-6,9`.entity_id = contact_a.id  AND `civicrm_entity_tag-6,9`.entity_table = 'civicrm_contact')   WHERE  ( civicrm_email.on_hold IN ("") OR  (  ( civicrm_group_contact_cache.group_id IN ("20") )  )  OR `civicrm_entity_tag-6,9`.tag_id IN ( 6,9 ) )  AND (contact_a.is_deleted = 0)   AND contact_a.id NOT IN (
                              SELECT contact_id FROM civicrm_group_contact
                              WHERE civicrm_group_contact.status = 'Removed'
                              AND   civicrm_group_contact.group_id = 14 ) ); [nativecode=1292 ** Truncated incorrect DOUBLE value: '']
    [to_string] => [db_error: message="DB Error: unknown error" code=-1 mode=callback callback=CRM_Core_Error::handle prefix="" info="CREATE TEMPORARY TABLE civicrm_temp_group_contact_cache1218 (SELECT 14 as group_id,  contact_a.id as id  FROM civicrm_contact contact_a LEFT JOIN civicrm_email ON (contact_a.id = civicrm_email.contact_id AND civicrm_email.is_primary = 1)  LEFT JOIN civicrm_group_contact_cache civicrm_group_contact_cache ON contact_a.id = civicrm_group_contact_cache.contact_id    LEFT JOIN civicrm_entity_tag `civicrm_entity_tag-6,9` ON ( `civicrm_entity_tag-6,9`.entity_id = contact_a.id  AND `civicrm_entity_tag-6,9`.entity_table = 'civicrm_contact')   WHERE  ( civicrm_email.on_hold IN ("") OR  (  ( civicrm_group_contact_cache.group_id IN ("20") )  )  OR `civicrm_entity_tag-6,9`.tag_id IN ( 6,9 ) )  AND (contact_a.is_deleted = 0)   AND contact_a.id NOT IN (
                              SELECT contact_id FROM civicrm_group_contact
                              WHERE civicrm_group_contact.status = 'Removed'
                              AND   civicrm_group_contact.group_id = 14 ) ); [nativecode=1292 ** Truncated incorrect DOUBLE value: '']"]
)