Microsoft Skype for Business Server 2015

Hi to all. I've just tryed to deploy this iAPP in a guest running 11.2.1 (LTM module only)...so no AFM. and i'm facing this error script did not successfully complete: ("security-log-profiles" unknown property while executing "tmsh::create [string range $args 7 end] " ("create" arm line 1) invoked from within "switch -exact -- [string range $args 0 5] { create { tmsh::create [string range $args 7 end] } modify { tmsh::modify [string r..." (procedure "iapp_conf" line 14) invoked from within "iapp_conf create "/ ltm virtual" "$vs_name destination $destination $snat_action pool none profiles none profiles replace-all-with \{ $http_profile_na..." (procedure "configure_microsoft_skype_server_reverse_proxy_deployment" line 145) invoked from within "configure_microsoft_skype_server_reverse_proxy_deployment" invoked from within "if { $provisioned } { if { $::front_end_ip__deploying_front_end_ip == $::YES_ANSWER } { configu..." line:1424) I think the problem is the lack of AFM. How can i fix that? I'm not intrested to use AFM,