I am on 10 year family route visa but I think i done mistake I fill flrfm form rather then fill flrfp form my question is this did I done any mistake to fill flrfm form and submit someone told me homeoffice now refuse your application because you submit wrong form flrfm

Good afternoon I am on 10 year family route I done b1 test I am earning 30k par annum but I am stuck on few question.I finish my first extension on first week of June this is my first extension the question I am stuck is as follows On what basic did you apply for your current visa,leave to enter or ...