         ioQueue.async {
             do {
                 try self.fileManager.removeItem(atPath: self.cachePath)
-            } catch {}
+            } catch {
+                print("DataCache: Error when clean disk: \(error.localizedDescription)")
+            }
         }
     }
     

            for fileURL in URLsToDelete {
                do {
                    try self.fileManager.removeItem(at: fileURL)
                } catch _ { }
            }
            
            if self.maxDiskCacheSize > 0 && diskCacheSize > self.maxDiskCacheSize {

        ioQueue.async {
            do {
                try self.fileManager.removeItem(atPath: self.cachePath(forKey: key))
            } catch {
                print("DataCache: Error while remove file: \(error.localizedDescription)")
            }
        }
    }
    
