'using uninitialized "access_logs_enabled" variable while logging request' warn is logged when a request URI is too large

Issue

• APIcast logged these messages. What are the meanings of them? The client received 414 Request-URI Too Large error.

  2021/11/18 03:21:10 [warn] 23#23: *35292 using uninitialized "access_logs_enabled" variable while logging request, client: 10.128.0.1, server: _, request: "GET /?user_key=<user_key>&foo=aaaa ( followed by a long string of characters )
  
  2021/11/18 03:21:10 [warn] 23#23: *35292 using uninitialized "extended_access_logs_enabled" variable while logging request, client: 10.128.0.1, server: _, request: "GET /?user_key=<user_key>&foo=aaaa ( followed by a long string of characters )