[Youth players being generated by Athletic Bilbao without Basque nationality]

Also, other Basque teams are having the same issue. The post is bloated enough with screenshots as is, so I won't toss any more in, but I can see that every Basque club has a few of these players - born in Basque Country, but lacking the nationality. Real Sociedad, for example, has about 10 of these players.

[Youth players being generated by Athletic Bilbao without Basque nationality]

I did have a save before an intake, and I thought it was the one involving Pedro Perez, but I realize now he had already been at the club for a year, which means that I have not been at the club while any of these players have generated. Maybe it's just an issue that occurs to an AI-run Bilbao? I will report back if I have a broken player generate at the club during my tenure.

Having another look at the players, there is one that generated wrong while I was playing - a player that was poached from my academy, born in Bilbao and poached by Real Sociedad, generated without Basque nationality.

Unfortunately, the save I do have was from before my intake but after Sociedad's, and as such the player was already in the game at the point of the save.