Subdomine don´t work, database error ?

Hello,

There is an error in one of 10 of the subdomines

"Sitio en curso de modificación
Ce site sera rétabli très prochainement.
Merci de votre compréhension. "

The users only have access to update articles (databases)

There is backup of the subdomine website’s database, should
I restore from backup ?

Thanks