Update caption processing state: next_index=0

processing_state_cursors.json

@@ -18,6 +18,6 @@
     "AliveAnimationBlender_DownloadPirate.com.part3_08-09-02 Polishing part 02_frames.zip": "failed",
     "AliveAnimationBlender_DownloadPirate.com.part3_08-09-03 Polishing part 03_frames.zip": "failed",
     "AliveAnimationBlender_DownloadPirate.com.part3_08-09-04 first chunk (timelapse)_frames.zip": "failed",
-    "AliveAnimationBlender_DownloadPirate.com.part3_08-09-05 Fixing knee pop_frames.zip": "processing"
+    "AliveAnimationBlender_DownloadPirate.com.part3_08-09-05 Fixing knee pop_frames.zip": "failed"
   }
 }