WordPress database error Unknown column 'sp.url_id' in 'on clause' for query
                    SELECT DISTINCT
                        s.id,
                        s.name,
                        s.context,
                        st.status,
                        s.gettext_context,
                        st.value AS tra,
                        s.value AS orig
                    FROM wp_icl_string_pages sp
                    INNER JOIN wp_icl_string_urls su
                        ON su.id = sp.url_id
                    INNER JOIN wp_icl_strings s
                        ON s.id = sp.string_id
                    LEFT JOIN wp_icl_string_translations st
                        ON s.id=st.string_id
                            AND st.language=su.language
                            AND s.language!=su.language
                    WHERE (su.language='en' and su.url='ajax-request') or (su.language='en' and su.url IS NULL)