What kind of error? When I backup my file and restore this was Happened.And then I can't run my local server anymore.

What should i do ? 

Please, Help me.

Error ::::::::

ProgrammingError: invalid dsn: missing "=" after "request" in connection info string
2020-01-09 17: 41: 36,882 14320 ERROR Ot request openerp.service.server: Exception happened during processing of request from ('127.0.0.1' , 49830)
Traceback (most recent call last):
File "C: \ python27 \ lib \ SocketServer.py", line 599, in process_request_thread
self.finish_request (request, client_address)
File "C: \ python27 \ lib \ SocketServer.py ", line 334, in finish_request
self.RequestHandlerClass (request, client_address, self)
File" C: \ python27 \ lib \ SocketServer.py ", line 657, in __init__
self.finish ()
File" C: \ python27 \ lib \ SocketServer.py ", line 716, in finish
self.wfile.close ()
File "C: \ python27 \ lib \ socket.py", line 283, in close
self.flush ()
File "C: \ python27 \ lib \ socket.py", line 307, in flush
self._sock.sendall (view [write_offset: write_offset + buffer_size])
error: [Errno 10053] An established connection was aborted by the software in your host machine.