I have an update, looking in db, I can see that the repeater fields are saved, but they are just empty, this is a screenshot: http://prntscr.com/7r2jjm
In screenshot, the repeater field is “recipe_details”, this field contains severao flexible layout fields, that are not saved, infact the metavalus is just an empty serialized string -> a:2:{i:0;s:1:”A”;i:1;s:1:”A”;}
I really can’t save this flexible fields contained in repeater field.
Nobody has already did that?