Bug - Subtitle script fails to load after latest update. invalid group reference

Code:
16:36:48 T:9340   ERROR: EXCEPTION Thrown (PythonToCppException) : -->Python callback/script returned the following error<--

                                             - NOTE: IGNORING THIS CAN LEAD TO MEMORY LEAKS!

                                            Error Type: <class 'sre_constants.error'>

                                            Error Contents: invalid group reference

                                            Traceback (most recent call last):

                                              File "C:\Users\dotslasher\AppData\Roaming\XBMC\addons\script.xbmc.subtitles\default.py", line 27, in <module>

                                                if (not ui.set_allparam() or not ui.Search_Subtitles(False)):

                                              File "C:\Users\dotslasher\AppData\Roaming\XBMC\addons\script.xbmc.subtitles\resources\lib\gui.py", line 251, in Search_Subtitles

                                                self.Download_Subtitles(itemCount, True, gui)

                                              File "C:\Users\dotslasher\AppData\Roaming\XBMC\addons\script.xbmc.subtitles\resources\lib\gui.py", line 309, in Download_Subtitles

                                                suffixed_compressed_subs = re.sub("\.ext$",".%s" % file,compressed_subs)

                                              File "C:\Program Files (x86)\XBMC\system\python\Lib\re.py", line 151, in sub

                                                return _compile(pattern, 0).sub(repl, string, count)

                                              File "C:\Program Files (x86)\XBMC\system\python\Lib\re.py", line 278, in filter

                                                return sre_parse.expand_template(template, match)

                                              File "C:\Program Files (x86)\XBMC\system\python\Lib\sre_parse.py", line 795, in expand_template

                                                raise error, "invalid group reference"

                                            error: invalid group reference

                                            -->End of Python script error report<--

16:36:48 T:10252   ERROR: CLocalizeStrings::ClearBlock: Trying to clear non existent block C:\Users\dotslasher\AppData\Roaming\XBMC\addons\script.xbmc.subtitles

16:36:48 T:9340    INFO: Python script stopped

16:36:48 T:9340   DEBUG: Thread XBPyThread 9340 terminating

16:36:48 T:10252   DEBUG: waiting for python thread 10 (C:\Users\dotslasher\AppData\Roaming\XBMC\addons\script.xbmc.subtitles\default.py) to stop

16:36:48 T:10252   DEBUG: python thread 10 (C:\Users\dotslasher\AppData\Roaming\XBMC\addons\script.xbmc.subtitles\default.py) destructed

16:36:48 T:6768   DEBUG: NEWADDON PythonCallbackHandler construction with PyThreadState 0xf873f20