Hello everyone, until 1 day ago the system was working perfectly, out of nowhere it started throwing error 500 when I tried to access some modules such as the administration panel, magazine editing, among others.
I have version 3.3.0-4
Below I leave the error log when this event occurs.
[Wed May 29 10:04:05.507707 2024] [php7:notice] [pid 1104] [client 1*0.*10.1*0.*17:33606] ojs2: 404 Not found, reference: https://kns.cnki.net/kcms2/article / summary?v=2R7H8JGA7EwKGEDrfI2GYLE_cjuIDpcxU_nsJxPFQYE79Z7nqBGhkrhUDiKIW3pnt4r nPfYB36WzeKKVmb6gujBEim3N5f_Nvs4Y6T3BtCEJtXVXQuJJG-8EnlIpY_yhKNueCCm4jkBO- qXA3 9trOR87F-fsec_3_JKBpdj-3dU=&uniplatform=NZKPT&language=CHS
[Wed May 29 10:04:07.844028 2024] [php7:error] [pid 1113] [client 1*0.*10.1*0.*17:33346] PHP fatal error: Uncaught GuzzleHttp\\Exception\\ConnectException: cURL error 6: no could resolve host: pkp.sfu.ca (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) in /var/www/html/ojs/lib/pkp/lib/vendor /guzzlehttp/guzzle/src /Handler/CurlFactory.php:200\nStack trace:\n#0 /var/www/html/ojs/lib/pkp/lib/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory. php(155): GuzzleHttp\ \Handler\\CurlFactory::createRejection(Object(GuzzleHttp\\Handler\\EasyHandle), Array)\n#1 /var/www/html/ojs/lib/pkp/lib/vendor/ guzzlehttp/guzzle/src/Handler /CurlFactory.php(105): GuzzleHttp\\Handler\\CurlFactory::finishError(Object(GuzzleHttp\\Handler\\CurlHandler), Object(GuzzleHttp\\Handler\\EasyHandle), Object( GuzzleHttp\\Handler\\CurlFactory ))\n#2 /var/www/html/ojs/lib/pkp/lib/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php(43): GuzzleHttp\\Handler\ \CurlFactory::finish(Object (GuzzleHttp\\Handler\\CurlHandler), Object(GuzzleHttp\\Handler\\EasyHandle), Object(GuzzleHttp\\Handler\\CurlFactory))\n#3 /var/www/html/ ojs/lib/pkp/lib /vendor/guzzlehttp/guzzle/src/Handler/Proxy.p in /var/www/html/ojs/lib/pkp/lib/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php on line 200
[Wed May 29 10:04:10.074829 2024] [php7:notice] [pid 1099] [client 1*0.*10.1*0.*17:33664] ojs2: 404 Not found, reference: https://kns.cnki.net/kcms2/article / summary?v=2R7H8JGA7EwKGEDrfI2GYLE_cjuIDpcxU_nsJxPFQYE79Z7nqBGhkrhUDiKIW3pnt4r nPfYB36WzeKKVmb6gujBEim3N5f_Nvs4Y6T3BtCEJtXVXQuJJG-8EnlIpY_yhKNueCCm4jkBO- qXA3 9trOR87F-fsec_3_JKBpdj-3dU=&uniplatform=NZKPT&language=CHS