This is nonsense. The Bible never says that tongues is necessary for salvation nor does it say that everyone has that spiritual gift.

(1 Corinthians 12:28-30 NIV) And in the church God has appointed first of all apostles, second prophets, third teachers, then workers of miracles, also those having gifts of healing, those able to help others, those with gifts of administration, and those speaking in different kinds of tongues. {29} Are all apostles? Are all prophets? Are all teachers? Do all work miracles? {30} Do all have gifts of healing? Do all speak in tongues ? Do all interpret?

Paul is obviously saying that not everyone speaks in tongues just as not all are apostles. And today there are no apostles, no healers, nobody who performs miracles. If someone had the gift of tongues God might use that to help them understand what someone is saying in Spanish and to help them answer in their own language.

You really need to understand the Bible better so you'll stop deceiving people and causing people to doubt their own salvation.