Kodi 15.1 UnicodeEncodeError

15:28:32 7867.981445 T:1422222400  NOTICE: Thread LanguageInvoker start, auto delete: false
15:28:32 7868.213379 T:1422222400  NOTICE: -->Python Interpreter Initialized<--
15:28:32 7868.213867 T:1422222400 WARNING: CPythonInvoker(80): Script invoked without an addon. Adding all addon modules installed to python path as fallback. This behaviour will be removed in future version.
15:28:36 7871.931641 T:1422222400  NOTICE: script.module.youtube.dl: youtube_dl core version: 2015.12.23
15:28:36 7871.941895 T:1422222400  NOTICE: script.module.youtube.dl: DOWNLOAD SERVICE: START
15:28:36 7871.948242 T:1422222400  NOTICE: script.module.youtube.dl: Loading from queue. #1 this session
15:28:36 7872.319336 T:1362097216  NOTICE: Traceback (most recent call last):
                                              File "/storage/.kodi/addons/script.module.youtube.dl/lib/YDStreamExtractor.py", line 183, in _getExtension
                                                res = conn.getresponse()
                                              File "/home/stephan/projects/openelec-6.0/build.OpenELEC-RPi2.arm-5.95.5/Python-2.7.3/.install_pkg/usr/lib/python2.7/httplib.py", line 1030, in getresponse
                                              File "/home/stephan/projects/openelec-6.0/build.OpenELEC-RPi2.arm-5.95.5/Python-2.7.3/.install_pkg/usr/lib/python2.7/httplib.py", line 407, in begin
                                              File "/home/stephan/projects/openelec-6.0/build.OpenELEC-RPi2.arm-5.95.5/Python-2.7.3/.install_pkg/usr/lib/python2.7/httplib.py", line 371, in _read_status
                                            BadStatusLine: ''
15:29:18 7913.945312 T:1353708608 WARNING: Create - unsupported protocol(/usr/share/kodi/addons/webinterface.default/http) in /usr/share/kodi/addons/webinterface.default/http://zc.qq.com/cgi-bin/common/attr
15:29:18 7913.945801 T:1353708608   ERROR: Exists - Error checking for /usr/share/kodi/addons/webinterface.default/http://zc.qq.com/cgi-bin/common/attr
15:29:18 7913.946289 T:1353708608 WARNING: CreateLoader - unsupported protocol(/usr/share/kodi/addons/webinterface.default/http) in /usr/share/kodi/addons/webinterface.default/http://zc.qq.com/cgi-bin/common/attr
15:29:32 7928.613770 T:1685427264  NOTICE: ES: Client  from 192.168.1.92 timed out
15:29:34 7930.846680 T:1405445184  NOTICE: Thread BackgroundLoader start, auto delete: false
15:29:37 7933.049316 T:1362097216   ERROR: Exception in thread Thread-1:
                                            Traceback (most recent call last):
                                              File "/home/stephan/projects/openelec-6.0/build.OpenELEC-RPi2.arm-5.95.5/Python-2.7.3/.install_pkg/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
                                              File "/home/stephan/projects/openelec-6.0/build.OpenELEC-RPi2.arm-5.95.5/Python-2.7.3/.install_pkg/usr/lib/python2.7/threading.py", line 504, in run
                                              File "/storage/.kodi/addons/script.module.youtube.dl/lib/YDStreamExtractor.py", line 272, in _handleDownload
                                                if os.path.exists(result.filepath + '.part'): os.rename(result.filepath + '.part',result.filepath)
                                              File "/home/stephan/projects/openelec-6.0/build.OpenELEC-RPi2.arm-5.95.5/Python-2.7.3/.install_pkg/usr/lib/python2.7/genericpath.py", line 18, in exists
                                            UnicodeEncodeError: 'ascii' codec can't encode character u'\xe4' in position 85: ordinal not in range(128)
15:29:37 7933.106934 T:1422222400  NOTICE: script.module.youtube.dl: DOWNLOAD SERVICE: FINISHED