The videos of the International Congress on Iruña-Veleia are being gradually released. I recently shared here the conference by Edward C. Harris, and now is time for Antonio Rodríguez Colmenero (renowned Galician archaeologist, historian and epigraphist). Follows video: 45 mins in Spanish language (good quality):
He discusses in some depth, often by contrasting with other Roman era sites, the alphabet, the Christian inscriptions, the errors being product of children education (most of the findings appear to come from a school), the already ongoing Latin→Romance evolution and often also only attributable to mischievous or ignorant misreadings by modern people with limited knowledge but a big mouth (i.e. not errors but in interpretation).
Source: En el Ángulo Oscuro[es].