LSPDFR Not working

When I open Gta iv and load the game I get an error that LCPDFR is not working properly this is the log file:

 System.MissingMethodException: Method not found: Boolean AdvancedHookManaged.AVehicle.get_HasSiren().
   at .(AVehicle )
   at ..ctor( vehicle) in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Scripting\Entities\SirenManager.cs:line 124
   at .() in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Scripting\Entities\CVehicle.cs:line 279
   at ..ctor(Int32 handle) in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Scripting\Entities\CVehicle.cs:line 245
   at .() in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Scripting\Entities\PoolUpdaterUnmanaged.cs:line 96
   at LCPD_First_Response.Engine.Main.() in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Main.cs:line 303
[ERROR - 11:14:20 PM] [ExceptionHandler]  ‫‪‍‫‬‎‭‍‭‎‏‬‬‪‫‬‌‏‍‪‏‌‏‏‪‮‭‮.‭‭‪‍‮‌‪‪‮‍‫‮‌‏‪‍‏‏‭‪‪‬‎‮(AVehicle ) L_ffffffff 
 ‫‪‍‫‬‎‭‍‭‎‏‬‬‪‫‬‌‏‍‪‏‌‏‏‪‮‭‮..ctor(‌‏‫‏‪‍‏‎‪‮‬‭‭‬‭‭‎‬‎‭‬‭‮ vehicle) L_0063 
 ‌‏‫‏‪‍‏‎‪‮‬‭‭‬‭‭‎‬‎‭‬‭‮.‬‬‍‎‪‬‫‏‭‫‪‭‪‌‪‭‪‎‫‭‪‌‮() L_009e 
 ‌‏‫‏‪‍‏‎‪‮‬‭‭‬‭‭‎‬‎‭‬‭‮..ctor(Int32 handle) L_002c 
 ‭‬‏‏‌‭‭‭‎‪‌‬‎‭‮‮‭‌‏‌‫‌‮‪‮.‪‪‮‌‭‏‏‏‍‌‍‬‏‬‌‎‎‮() L_0375 
 LCPD_First_Response.Engine.Main.‭‎‬‏‪‬‎‪‏‬‌‏‮‫‍‎‮‏‎‪‮‮() L_0160 
Error hash: DA7952546AACF77DBF9233DA15CC4E1C2BB79D84