SQLSTATE[42S22]: Column not found: 1054 Unknown column 'teac_cont_uid' in 'field list'
Array
(
    [:LANG] => es
    [:UID] => 26
)
 SELECT teac_uid, teac_cont_uid, tela_url
    FROM mdl_teachers LEFT JOIN mdl_teachers_languages ON teac_uid=tela_teac_uid
    WHERE teac_delete=0 AND tela_language=:LANG AND teac_uid=:UID AND tela_status='ACTIVE'

SELECT teac_uid, teac_cont_uid, tela_url FROM mdl_teachers LEFT JOIN mdl_teachers_languages ON teac_uid=tela_teac_uid WHERE teac_delete=0 AND tela_language='es' AND teac_uid=26 AND tela_status='ACTIVE'
10.1.1.87
Error 2: Consulta incorrecta