Error creating temporary file [/storage/EC5F-5740/Android/data/app.symfonik.music.player/cache/images/3/3CD04BDAA419E15E6026E273AF49A603.jpg.lock}: No such file or directory
Your SDCard dismounted or you have some “optimizer” application that clean Symfonium cache while the app is running.
Force kill Symfonium it will recreate those folders, and try to find what app does that and disable it.