[sqlmap-users] 500 (Internal Server Error) - 1 times

[d33 d. <d3...@gm...>]

I get the message "500 (Internal Server Error) - 1 times"
whenever I try to run the SqlMap, which could be this error?

[18:32:59] [INFO] testing connection to the target url
[18:33:02] [INFO] testing if the url is stable, wait a few seconds
[18:33:05] [INFO] url is stable
[18:33:05] [INFO] testing if GET parameter 'id' is dynamic
[18:33:08] [INFO] confirming that GET parameter 'id' is dynamic
[18:33:11] [INFO] GET parameter 'id' is dynamic
[18:33:12] [INFO] heuristic test shows that GET parameter 'id' might be
injectable (possible DBMS: MySQL)
[18:33:12] [INFO] testing sql injection on GET parameter 'id'
[18:33:12] [INFO] testing 'AND boolean-based blind - WHERE or HAVING clause'
[18:33:43] [CRITICAL] connection timed out to the target url or proxy,
sqlmap is going to retry the request
[18:33:43] [CRITICAL] unable to access item 'previousMethod'
[18:33:43] [WARNING] HTTP error codes detected during testing:
500 (Internal Server Error) - 1 times

[*] shutting down at: 18:33:43