PE dosent seem to want to fruit. Any help would be appreciated

So I cased my PE the other day and they just seem to be colonising that instead of fruiting. They had pins when I cased so I am a little confused as to why no mushies have popped up. First time growing PE but, not new to cubes in general.

Do PE have any requirement s for fruiting that are different?

And if they pinned how come the pins didn't develop into full fledged fruits?

Cheers in advance!