Can't remove this Identity and peer

RouterOS 7.13

A new identify and peer appeared. why?? why it was created? I can’t remove this, if i try to remove it says: Couldn’t remove IPsec idenfity - can’t remove dynamic object
PeersForRemove.PNG
cantremove.PNG
IdentitiesForRemove.PNG

I can’t remove this post, but i solved it. Thanks to “pató”.
I had to uncheck the box in PPP/interface/l2TP server. I dont know why it was checked…

http://forum.mikrotik.com/t/dynamic-policies-not-removing-with-disabled-l2tp-ipsec-interface/162670/1