Fix for #1033.

bazarr/subsyncer.py

@@ -94,12 +94,18 @@ class SubSyncer:
             logging.debug('BAZARR FFmpeg used is %s', ffmpeg_exe)
 
         self.ffmpeg_path = os.path.dirname(ffmpeg_exe)
+        try:
             result = run(self)
-
+        except Exception as e:
+            logging.error('BAZARR an exception occurs during the synchronization process for this subtitles: ' +
+                          self.srtin)
+        else:
             if result['sync_was_successful']:
-            message = "{0} subtitles synchronization ended with an offset of {1} seconds and a framerate scale factor" \
+                message = "{0} subtitles synchronization ended with an offset of {1} seconds and a framerate scale " \
-                      " of {2} using {3} (0:{4}).".format(language_from_alpha3(srt_lang), result['offset_seconds'],
+                          "factor of {2} using {3} (0:{4}).".format(language_from_alpha3(srt_lang),
-                                                        result['framerate_scale_factor'], using_what,
+                                                                    result['offset_seconds'],
+                                                                    result['framerate_scale_factor'],
+                                                                    using_what,
                                                                     self.reference_stream)
 
                 if media_type == 'series':