Error Log report

29/7/2559 11:00:32: DEBUG -

29/7/2559 11:00:32: DEBUG - ----------------------------------------
29/7/2559 11:00:32: DEBUG - Program opening, running diagnostics...
29/7/2559 11:00:32: DEBUG - Current OS Full name: Microsoft Windows 7 Ultimate
29/7/2559 11:00:32: DEBUG - Current OS Version: 6.1.7601.65536
29/7/2559 11:00:32: DEBUG - Is the current OS 64-bit? True
29/7/2559 11:00:32: DEBUG - Directory program is running in: D:\PSO2 JP
29/7/2559 11:00:32: DEBUG - Selected PSO2 Directory: D:\PSO2 JP\PHANTASYSTARONLINE2\pso2_bin
29/7/2559 11:00:32: DEBUG - Is Unrar Available: True
29/7/2559 11:00:32: DEBUG - Run as Administrator: True
29/7/2559 11:00:32: DEBUG - Is 7zip available: True
29/7/2559 11:00:32: DEBUG - Is 7zip available: True
29/7/2559 11:00:32: DEBUG - ----------------------------------------
29/7/2559 11:00:38: DEBUG - Loading color stuff...
29/7/2559 11:00:40 Loading sidebar page...
29/7/2559 11:00:40 Program opened successfully! Version 3.0.9.1 [OK!]
29/7/2559 11:00:40 Checking for updates, please wait a moment...
29/7/2559 11:00:40: DEBUG - Checking for the latest version of the program...
29/7/2559 11:00:40 You have the latest version of the program: 3.0.9.1
29/7/2559 11:00:56 Found incomplete patch job - resuming job! [OK!]
29/7/2559 11:00:56: DEBUG - Method not found: 'Int32 System.Environment.get_CurrentManagedThreadId()'. Stack Trace:    at PSO2_Tweaker.Helper.VB$StateMachine_8_GetLines..ctor(Int32 )
   at PSO2_Tweaker.Helper.GetLines(String )
   at PSO2_Tweaker.FrmMain.ResumePatching()
29/7/2559 11:00:56 ERROR - Method not found: 'Int32 System.Environment.get_CurrentManagedThreadId()'.
29/7/2559 11:00:56 Checking for PSO2 Updates...
29/7/2559 11:00:56 Done!
29/7/2559 11:00:56 Checking for updates to patches...
29/7/2559 11:00:56 Current EN Patch version is: Not Installed
29/7/2559 11:00:56 Current Large Files version is: Not Installed
29/7/2559 11:00:56 Current Story Patch version is: Not Installed
29/7/2559 11:00:56 Setting up plugin system... [OK!]
29/7/2559 11:00:57 Beginning plugin update...
29/7/2559 11:00:57 Downloading/Installing updates...
29/7/2559 11:01:03 Plugins updated successfully. [OK!]
29/7/2559 11:01:03 All done - System ready!
29/7/2559 11:01:16 Downloading configuration...
29/7/2559 11:01:18  Done!
29/7/2559 11:01:18 ERROR - Method not found: 'Int32 System.Environment.get_CurrentManagedThreadId()'. [FAILED!]