I am unable to join my favorite server and am getting the error in the title. I can't find a way to attach a text file, so here are the contents of the RPT file:

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== D:\Games\Steam\steamapps\common\Arma 3\arma3.exe
== "D:\Games\Steam\steamapps\common\Arma 3\arma3.exe" -connect=167.114.211.79 -port=2312 "-mod=D:\Games\Steam\steamapps\common\Arma 3\@HVP;D:\Games\Steam\steamapps\workshop\content\107410\614815221;D:\Games\Steam\steamapps\workshop\content\107410\501966277;D:\Games\Steam\steamapps\workshop\content\107410\500929500;D:\Games\Steam\steamapps\workshop\content\107410\501552467;D:\Games\Steam\steamapps\common\Arma 3\@Exile;"

Original output filename: Arma3Retail_DX11
Exe timestamp: 2016/03/02 14:35:06
Current time: 2016/04/15 02:02:31

Type: Public
Build: Stable
Version: 1.56.134787

Allocator: D:\Games\Steam\steamapps\common\Arma 3\dll\tbb4malloc_bi.dll
=====================================================================

[...]

2:02:48 DX11 - Initializing DX11 engine.
2:02:48 DX11 - Using DXGI adapter 0 (detected in config).
2:02:48 DX11 - Using DXGI adapter 0.
2:02:48 - adapter description : NVIDIA GeForce GTX 560
2:02:48 - adapter vendor ID : 4318
2:02:48 - adapter device ID : 4609
2:02:48 - adapter subsys ID : 341850178
2:02:48 - adapter revision : 161
2:02:48 - dedicated video memory : 1025966080
2:02:48 - dedicated system memory : 0
2:02:48 - shared system memory : 3268935680
2:02:48 InitSound ...
2:02:48 InitSound - complete
2:02:50 PhysX3 SDK Init started ...
2:02:50 PhysX3 SDK Init ended.

[...]

2:02:54 SimulWeather - Cloud Renderer - noise texture file is not specified!
2:03:04 Missing addons detected:
2:03:04 ryanzombies
2:03:04 Warning Message: You cannot play/edit this mission; it is dependent on downloadable content that has been deleted.ryanzombies