Here is my server log. I have my RHS key in the server key folder and I have it added to my command line as well but RHS still kicks back this error.
Here is my commandline for reference.
-profiles=C:\games\108_61_104_103_2302\1348690\arma3\config -config=server.cfg -port=2302 -IP=108.61.104.103 -world=empty -gtqueryport=2304 -autoInit -mod=@CBA_A3;@Cup_Terrains_Core;@Cup_Terrains_Maps;@RHS_USAF;@FA-18;@VSM;@Arma_Enhanced_Movement;@Spec4Gear;@SMA;@MRT;@TRYK;@ASR_AI3
=====================================================================
== c:\games\108_61_104_103_2302\1348690\arma3\arma3server.exe
== c:\games\108_61_104_103_2302\1348690\arma3\arma3server.exe -profiles=C:\games\108_61_104_103_2302\1348690\arma3\config -config=server.cfg -port=2302 -IP=108.61.104.103 -world=empty -gtqueryport=2304 -autoInit -mod=@CBA_A3;@Cup_Terrains_Core;@Cup_Terrains_Maps;@RHS_USAF;@FA-18;@VSM;@Arma_Enhanced_Movement;@Spec4Gear;@SMA;@MRT;@TRYK;@ASR_AI3
Original output filename: Arma3Retail_Server
Exe timestamp: 2016/12/07 10:50:01
Current time: 2017/02/17 18:53:15
Type: Public
Build: Stable
Version: 1.66.139586
Allocator: c:\games\108_61_104_103_2302\1348690\arma3\dll\tbb4malloc_bi.dll
=====================================================================
18:53:15 SteamAPI initialization failed. Steam features wont's be accessible!
18:53:15 Cannot register unknown string STR_USRACT_ACTIVESENSORSTOGGLE
18:53:15 Cannot register unknown string STR_CONTROLS_TOOLTIPS_SENSORS
18:53:15 Cannot register unknown string STR_CLIENT_IS_HOST
18:53:15 Cannot register unknown string STR_CLIENT_IS_DS_ADMIN
18:53:15 Initializing stats manager.
18:53:15 Stats config disabled.
18:53:15 sessionID: 204e57932f1e6df30d61c3d1454cadf9f7795528
18:53:19 Error 20 reading file 'c:\games\108_61_104_103_2302\1348690\arma3\@RHS_USAF\addons\rhsusf_a2port_air.pbo'
ErrorMessage: Cannot open file 'c:\games\108_61_104_103_2302\1348690\arma3\@RHS_USAF\addons\rhsusf_a2port_air'