I`m working 5 years without problem, but the last week appears this error
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'groups WHERE questions.gid=groups.gid AND questions.sid=76837 AND questions.la' at line 5:SELECT *, (SELECT count(1) FROM `lms_conditions` c WHERE questions.qid = c.qid) AS hasconditions, (SELECT count(1) FROM `lms_conditions` c WHERE questions.qid = c.cqid) AS usedinconditions FROM `lms_questions` as questions, `lms_groups` as groups WHERE questions.gid=groups.gid AND questions.sid=76837 AND questions.language='es' AND questions.parent_qid=0 AND groups.language='es' ORDER BY group_order, question_order

Anybody can help me?

What happened last week? Any update?

Update of the server?
Update of Limesurvey?

And where this error happen ?

When I go to the link the error appears, the link is the next

www.estrategiasensalud.com.co/encuestas/...hp?sid=76837&lang=es

Seems too be a very old (and hacked) version.
Can not help
www.estrategiasensalud.com.co/encuestas/admin/admin.php