1 files changed, 4 insertions, 1 deletions

diff --git a/server/lib/activitypub/process/process-undo.ts b/server/lib/activitypub/process/process-undo.ts
index ed0177a67..2d48848fe 100644
--- a/server/lib/activitypub/process/process-undo.ts
+++ b/server/lib/activitypub/process/process-undo.ts
@@ -108,7 +108,10 @@ async function processUndoCacheFile (byActor: ActorModel, activity: ActivityUndo
 
   return sequelizeTypescript.transaction(async t => {
     const cacheFile = await VideoRedundancyModel.loadByUrl(cacheFileObject.id)
-    if (!cacheFile) throw new Error('Unknown video cache ' + cacheFileObject.id)
+    if (!cacheFile) {
+      logger.debug('Cannot undo unknown video cache %s.', cacheFileObject.id)
+      return
+    }
 
     if (cacheFile.actorId !== byActor.id) throw new Error('Cannot delete redundancy ' + cacheFile.url + ' of another actor.')