What was being celebrated? St. Scholastica’s memorial or the sixth Sunday in ordinary time? If it’s the former, yes, that’s normal. Memorials and weekday Masses do not require the profession of faith. Solemnities and Sunday Masses do.
Assuming this was a Sunday Mass, it’s not “normal.” Depending on the circumstances, however, it may have been correct. For example, if there was a baptism at Mass. It may also have been a simple error. They happen.
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