Fix incorrect error logs

server/controllers/api/server/follows.ts

@@ -168,7 +168,7 @@ async function removeFollowing (req: express.Request, res: express.Response) {
 
     // Async, could be long
     removeRedundanciesOfServer(server.id)
-      .catch(err => logger.error('Cannot remove redundancy of %s.', server.host, err))
+      .catch(err => logger.error('Cannot remove redundancy of %s.', server.host, { err }))
 
     await follow.destroy({ transaction: t })
   })

server/lib/activitypub/actors/refresh.ts

@@ -75,7 +75,7 @@ async function doRefresh <T extends MActorFull | MActorAccountChannelId> (option
 function getActorUrl (actor: MActorFull) {
   return getUrlFromWebfinger(actor.preferredUsername + '@' + actor.getHost())
     .catch(err => {
-      logger.warn('Cannot get actor URL from webfinger, keeping the old one.', err)
+      logger.warn('Cannot get actor URL from webfinger, keeping the old one.', { err })
       return actor.url
     })
 }

server/lib/client-html.ts

@@ -576,7 +576,7 @@ async function serveIndexHTML (req: express.Request, res: express.Response) {
       await generateHTMLPage(req, res, req.params.language)
       return
     } catch (err) {
-      logger.error('Cannot generate HTML page.', err)
+      logger.error('Cannot generate HTML page.', { err })
       return res.status(HttpStatusCode.INTERNAL_SERVER_ERROR_500).end()
     }
   }

server/models/actor/actor-image.ts

@@ -91,7 +91,7 @@ export class ActorImageModel extends Model<Partial<AttributesOnly<ActorImageMode
 
     // Don't block the transaction
     instance.removeImage()
-      .catch(err => logger.error('Cannot remove actor image file %s.', instance.filename, err))
+      .catch(err => logger.error('Cannot remove actor image file %s.', instance.filename, { err }))
   }
 
   static loadByName (filename: string) {

server/models/video/thumbnail.ts

@@ -127,7 +127,7 @@ export class ThumbnailModel extends Model<Partial<AttributesOnly<ThumbnailModel>
 
     // Don't block the transaction
     instance.removeThumbnail()
-            .catch(err => logger.error('Cannot remove thumbnail file %s.', instance.filename, err))
+            .catch(err => logger.error('Cannot remove thumbnail file %s.', instance.filename, { err }))
   }
 
   static loadByFilename (filename: string, thumbnailType: ThumbnailType): Promise<MThumbnail> {