avisynth script error

Hello,

I have this error and I need help please :

21:21:34.076; Start: SVPMgr 3.1.6 (1041) starts...
21:21:34.076; AppDataPath: C:\ProgramData (ANSI)
21:21:34.076; Start: read settings file settings.ini
21:21:34.077; Start: load language file - English. Duration: 25 ms
21:21:34.102; Start: check launched instance of SVP-manager
21:21:34.102; Start: check Avisynth installed. Duration: 1766 ms
21:21:35.868; Start: clear Logs folder
21:21:35.870; Start: CPU and threads count detection
CPU: Intel Core i5-4670K @ 3.40GHz [4 threads] (1957)
21:21:35.871; Start: SVPMgr folders prepare
21:21:35.876; Start: read settings file SVPMgr.ini
21:21:35.877; Start: GPUs settings detection
GPU_11: GeForce GTX 650 Ti (1057)
21:21:35.891; Start: monitors settings detection
Display#00010001: 1920 x 1080 @ 60
Display#00010003: 1280 x 1024 @ 75
21:21:35.892; Start: disable LNG-file write when UAC enabled
21:21:35.892; Start: change SVP-manager priority
21:21:35.892; Start: register hotkeys
21:21:35.896; Start: get versions of modules used
ffdshow.ax/avisynth.dll: 1.3.4530.0/2.6.0.1
svpflow1/2.dll: 1.3.5.0/1.5.7.0
svpflow_cpu/gpu.dll: 1.7.2.0/1.8.3.0
21:21:35.896; Start: refresh autostart state in registry
21:21:35.896; Start: some more work with registry
21:21:35.899; Start: create menu. Duration: 6 ms
21:21:35.905; Start: update settings file settings.ini. Duration: 9 ms
21:21:35.914; Start: prepare "About the program" window
21:21:35.919; Start: enable ffdShow waiting mode
21:21:35.920; Start: prepare to work is complete
21:21:35.921; RefreshSVP
21:21:35.922; ===== Waiting for ffdshow video

21:22:49.475; ===== Detected playback with ffdShow. AppName: mpc-hc.exe PID: 18540
21:22:49.476; GetDimensionAndFPS_fromOSD start. Duration: 641 ms
21:22:50.117; GetDimensionAndFPS_fromOSD result: 1920x1080 23.976 1/1
21:22:50.119; T1T: begin. Duration: 866 ms
21:22:50.985; screen settings refinement: Display#00010001: 1920 x 1080 @ 60.001
21:22:50.987; T1T: GetAllMediaParams
21:22:50.988; ### CorrectStereoModeByAppAndFilename: 1080.TGhoul.EP06.mp4
21:22:50.989; T1T: SettingsPrepare
21:22:50.992; T1T: Preparing smooth playback...
21:22:50.994; T1T: WriteAllMediaParamsToIni
21:22:50.994; SVPMgr: main "C:\ProgramData\SVP 3.1\" 1920 1080 23.976 1920 1080 5 2. Duration: 82 ms
21:22:51.076; ===== Playback
23.976 * (5 : 2) = 59.94 fps
21:22:51.076; SetPriorityPlayer: 2. Duration: 390 ms
21:22:51.466; Error: Error preparing smooth playback! Script error:
Script error: there is no function named "SetMTMode"
(C:\ProgramData\SVP 3.1\AVS\ffdshow.avs, line 13)
(ffdshow_filter_avisynth_script, line 4)
. Duration: 8331 ms
21:22:59.797; ===== rewind forward 00:21:58 / 00:23:58
21:23:00.924; Error: Error preparing smooth playback! Script error:
Script error: there is no function named "SetMTMode"
(C:\ProgramData\SVP 3.1\AVS\ffdshow.avs, line 13)
(ffdshow_filter_avisynth_script, line 4)
. Duration: 838 ms
21:23:01.762; ===== rewind backward 00:00:22 / 00:23:58
21:23:02.887; Error: Error preparing smooth playback! Script error:
Script error: there is no function named "SetMTMode"
(C:\ProgramData\SVP 3.1\AVS\ffdshow.avs, line 13)
(ffdshow_filter_avisynth_script, line 4)

21:24:18.888; RefreshSVP
21:24:18.890; ===== Waiting for ffdshow video