Brown layer on bannana strawberry winee what is this

[Newbrewer76844]

What is this is it ruined

 

[Newbrewer76844]

What is this is it ruined

it is 4 weeks into ferment and used frozen fruit

 

[Farside]

Did it look normal, clarify and start to slow down, and then all of a sudden get chunky over a period of a few days to a week? Or were there lumps in there from day one?