Problem with implementing iApp f5.http

Hi eneryone, When try to implementing on my f5 with version 11.6.0 HF5, When I create and use text the template f5.http to create a basic http aplication show thi messages, and don´t work that sheet. I areciate your help.

script did not successfully complete: (field not present: "address" while executing "tmsh::get_field_value $node address" (procedure "iapp::destination" line 104) invoked from within "iapp::destination $::pool__addr $::pool__port" invoked from within "iapp::conf create ltm virtual ${app}_vs destination [iapp::destination $::pool__addr $::pool__port] mask $mask $vs_params ip-protocol tcp mirror ..." invoked from within "subst $substa_out" invoked from within "if { [info exists [set substa_in]] } { set substa_out [subst $$substa_in] set substa_out [subst $substa_out] } else { ..." ("uplevel" body line 3) invoked from within "uplevel { append ::substa_debug "\n$substa_in" if { [info exists [set substa_in]] } { set substa_out [subst $$substa_in] ..." (procedure "iapp::substa" line 9) invoked from within "iapp::substa vs_arr($secure_client,$do_redirect)" (procedure "v11_4_main" line 444) invoked from within "v11_4_main" invoked from within "subst $substa_out" invoked from within "if { [info exists [set substa_in]] } { set substa_out [subst $$substa_in] set substa_out [subst $substa_out] } else { ..." ("uplevel" body line 3) invoked from within "uplevel { append ::substa_debug "\n$substa_in" if { [info exists [set substa_in]] } { set substa_out [subst $$substa_in] ..." (procedure "iapp::substa" line 9) invoked from within "iapp::substa main($do_v11_3,$upgrade,$downgrade)" line:942)