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. 2022 Jan-Mar;26(1):e2021.00082. doi: 10.4293/JSLS.2021.00082

Table 2.

Most Common Reasons for Hypertext Transfer Protocol Error Codes and Unsuccessful Universal Resource Locator Access Attempts

404 Not found
403 Forbidden
400 Bad request
401 Unauthorized
410 Gone
500 Internal server error
401 Unauthorized
An error has occurred
Bad gateway
Cannot find server
Cannot obtain
Content not found
Internal link not found
Internal server error
Link not found
Page not found
Site cannot be reached
Sorry, we can’t find the article
The link you requested no longer exists
This account has been suspended
This site can’t be reached
Timeout
Wrong link
Wrong site