Compiler error about nex-ac HOT 6 CLOSED

#include <sampac>
#include <crashdetect>				// By Zeex					https://github.com/Zeex/samp-plugin-crashdetect
#include <sscanf2>					// By Y_Less:				https://github.com/maddinat0r/sscanf

#define YSI_NO_HEAP_MALLOC
#include <YSI\y_utils>				// By Y_Less, 4:			https://github.com/Misiur/YSI-Includes
#include <YSI\y_va>
#include <YSI\y_timers>
#include <YSI\y_hooks>
#include <YSI\y_iterate>
#include <YSI\y_ini>
#include <YSI\y_dialog>

#include "sss\core\server\hooks.pwn"// Internal library for hooking functions before they are used in external libraries.

#include <streamer>					// By Incognito, v2.8.2:	https://github.com/samp-incognito/samp-streamer-plugin/releases/tag/v2.82
#include <dns>						// By Incognito, 2.4:		https://github.com/samp-incognito/samp-dns-plugin/releases/tag/v2.4
#include <sqlitei>					// By Slice, v0.9.7:		https://github.com/oscar-broman/sqlitei
#include <formatex>					// By Slice:				http://forum.sa-mp.com/showthread.php?t=313488
#include <strlib>					// By Slice:				https://github.com/oscar-broman/strlib
#include <md-sort>					// By Slice:				https://github.com/oscar-broman/md-sort
#include <geolocation>				// By Whitetiger:			https://github.com/Whitetigerswt/SAMP-geoip
#include <ctime>					// By RyDeR:				https://github.com/Southclaws/samp-ctime

#include <progress2>				// By Toribio/Southclaw:	https://github.com/Southclaws/progress2
#include <FileManager>				// By JaTochNietDan, 1.5:	https://github.com/JaTochNietDan/SA-MP-FileManager
#include <mapandreas>				// By Kalcor				http://forum.sa-mp.com/showthread.php?t=120013

#include <SimpleINI>				// By Southclaw:			https://github.com/Southclaws/SimpleINI
#include <modio>					// By Southclaw:			https://github.com/Southclaws/modio

#include <SIF>						// By Southclaw, v1.6.2:	https://github.com/Southclaws/SIF
#include <SIF\extensions\ItemArrayData.pwn>
#include <SIF\extensions\ItemList.pwn>
#include <SIF\extensions\ItemSerializer.pwn>
#include <SIF\extensions\InventoryDialog.pwn>
#include <SIF\extensions\InventoryKeys.pwn>
#include <SIF\extensions\ContainerDialog.pwn>
#include <SIF\extensions\Craft.pwn>
#include <SIF\extensions\DebugLabels.pwn>
#include <WeaponData>				// By Southclaw:			https://github.com/Southclaws/AdvancedWeaponData
#include <Line>						// By Southclaw:			https://github.com/Southclaws/Line
#include <Zipline>					// By Southclaw:			https://github.com/Southclaws/Zipline
#include <Ladder>					// By Southclaw:			https://github.com/Southclaws/Ladder

#include <nex-ac>                   // By NexiusTailer          https://github.com/NexiusTailer/Nex-AC

native WP_Hash(buffer[], len, const str[]);
									// By Y_Less:				https://github.com/Southclaws/samp-whirlpool

#define YSI_NO_HEAP_MALLOC
#include <YSI\y_utils>				// By Y_Less, 4:			https://github.com/Misiur/YSI-Includes
#include <YSI\y_va>
#include <YSI\y_timers> // ->
#include <YSI\y_iterate>
#include <YSI\y_ini>
#include <YSI\y_dialog>
#include <YSI\y_hooks> // <-

#include <sampac>
#include <crashdetect>				// By Zeex					https://github.com/Zeex/samp-plugin-crashdetect
#include <sscanf2>					// By Y_Less:				https://github.com/maddinat0r/sscanf

#define YSI_NO_HEAP_MALLOC
#include <YSI\y_utils>				// By Y_Less, 4:			https://github.com/Misiur/YSI-Includes
#include <YSI\y_va>
#include <YSI\y_timers>
#include <YSI\y_iterate>
#include <YSI\y_ini>
#include <YSI\y_dialog>
#include <YSI\y_hooks>

#include "sss\core\server\hooks.pwn"// Internal library for hooking functions before they are used in external libraries.

#include <streamer>					// By Incognito, v2.8.2:	https://github.com/samp-incognito/samp-streamer-plugin/releases/tag/v2.82
#include <dns>						// By Incognito, 2.4:		https://github.com/samp-incognito/samp-dns-plugin/releases/tag/v2.4
#include <sqlitei>					// By Slice, v0.9.7:		https://github.com/oscar-broman/sqlitei
#include <formatex>					// By Slice:				http://forum.sa-mp.com/showthread.php?t=313488
#include <strlib>					// By Slice:				https://github.com/oscar-broman/strlib
#include <md-sort>					// By Slice:				https://github.com/oscar-broman/md-sort
#include <geolocation>				// By Whitetiger:			https://github.com/Whitetigerswt/SAMP-geoip
#include <ctime>					// By RyDeR:				https://github.com/Southclaws/samp-ctime

#include <progress2>				// By Toribio/Southclaw:	https://github.com/Southclaws/progress2
#include <FileManager>				// By JaTochNietDan, 1.5:	https://github.com/JaTochNietDan/SA-MP-FileManager
#include <mapandreas>				// By Kalcor				http://forum.sa-mp.com/showthread.php?t=120013

#include <nex-ac>                   // By NexiusTailer          https://github.com/NexiusTailer/Nex-AC

#include <SimpleINI>				// By Southclaw:			https://github.com/Southclaws/SimpleINI
#include <modio>					// By Southclaw:			https://github.com/Southclaws/modio

#include <SIF>						// By Southclaw, v1.6.2:	https://github.com/Southclaws/SIF
#include <SIF\extensions\ItemArrayData.pwn>
#include <SIF\extensions\ItemList.pwn>
#include <SIF\extensions\ItemSerializer.pwn>
#include <SIF\extensions\InventoryDialog.pwn>
#include <SIF\extensions\InventoryKeys.pwn>
#include <SIF\extensions\ContainerDialog.pwn>
#include <SIF\extensions\Craft.pwn>
#include <SIF\extensions\DebugLabels.pwn>
#include <WeaponData>				// By Southclaw:			https://github.com/Southclaws/AdvancedWeaponData
#include <Line>						// By Southclaw:			https://github.com/Southclaws/Line
#include <Zipline>					// By Southclaw:			https://github.com/Southclaws/Zipline
#include <Ladder>					// By Southclaw:			https://github.com/Southclaws/Ladder

native WP_Hash(buffer[], len, const str[]);
									// By Y_Less:				https://github.com/Southclaws/samp-whirlpool