@@ -195,2 +195,4 @@
 	}
 
+	if multipartInfo.Aborted {
+		return "", fmt.Errorf("%w", s3errors.GetAPIError(s3errors.ErrNoSuchUpload))

@@ -566,3 +574,3 @@
 	}
 
-	return n.treeService.DeleteMultipartUpload(ctx, p.Bkt, multipartInfo.ID)
+	if err = n.treeService.DeleteMultipartUpload(ctx, p.Bkt, multipartInfo.ID); err != nil {

@@ -1259,6 +1271,7 @@ func metaFromMultipart(info *data.MultipartInfo, fileName string) map[string]str
 	info.Meta[uploadIDKV] = info.UploadID
 	info.Meta[ownerKV] = info.Owner.EncodeToString()
 	info.Meta[createdKV] = strconv.FormatInt(info.Created.UTC().UnixMilli(), 10)
+	info.Meta[finished] = strconv.FormatBool(info.Finished)

@@ -1010,3 +1015,3 @@
 			continue
 		}
-		if info.UploadID == uploadID {
+		if info.UploadID == uploadID && !info.Finished {

@@ -60,6 +60,7 @@ This document outlines major changes between releases.
 - Generalise config param `use_default_xmlns_for_complete_multipart` to `use_default_xmlns` so that use default xmlns for all requests (#221)
 - Set server IdleTimeout and ReadHeaderTimeout to `30s` and allow to configure them (#220)
 - Return `ETag` value in quotes (#219)
+- Change the logic of working with a tree service in AbortMultipartUpload (#275)

@@ -992,6 +997,9 @@ func (c *Tree) GetMultipartUpload(ctx context.Context, bktInfo *data.BucketInfo,
 			continue
 		}
 		if info.UploadID == uploadID {
+			if info.Finished {

@@ -248,0 +249,4 @@
+	finished, _ := treeNode.Get(finishedKV)
+	if flag, err := strconv.ParseBool(finished); err == nil {
+		multipartInfo.Finished = flag
+	}