You may see the following error when running Design Space Explorer II version 16.0 and earlier:
Error: Can\'t convert \'int\' object to str implicitly
Error: Traceback (most recent call last):
File "server.py", line 103, in run_impl
File "/install/Altera/16.0/quartus/common/python/lib/socketserver.py", line 430, in __init__
self.server_bind()
File "/install/Altera/16.0/quartus/common/python/lib/socketserver.py", line 441, in server_bind
self.socket.bind(self.server_address)
TypeError: Can\'t convert \'int\' object to str implicitly
Error: Cannot start explorer server.
To work around this problem add the following line to your <project_name>.dse file:
host=127.0.0.1
This problem is scheduled to be fixed in a future release of the Quartus® Prime software.