Update caption processing state: next_index=0

processing_state_cursors.json

@@ -64,6 +64,6 @@
     "AliveAnimationBlender_DownloadPirate.com.part4_09-16 Polishing with constraints and Space switching_frames.zip": "failed",
     "AliveAnimationBlender_DownloadPirate.com.part4_09-17-Fixing Quaternions flipping_frames.zip": "failed",
     "AliveAnimationBlender_DownloadPirate.com.part4_09-18 FXs planning and preview with Syncsketch_frames.zip": "failed",
-    "AliveAnimationBlender_DownloadPirate.com.part4_09-19 Final thoughts_frames.zip": "processing"
+    "AliveAnimationBlender_DownloadPirate.com.part4_09-19 Final thoughts_frames.zip": "failed"
   }
 }