tail -f /var/log/nginx/error.log
* line 85 of /public/lib/sessionlib.php: core\exception\moodle_exception thrown
* line 32 of /public/theme/switchdevice.php: call to require_sesskey()" while reading response header from upstream, client: 192.168.10.1, server: learn.afru.ac.ug, request: "GET /theme/switchdevice.php?url=https%3A%2F%2Fmoodle.afru.ac.ug%2F&device=default&sesskey=51WnwMH15C HTTP/1.0", upstream: "fastcgi://unix:/var/run/php/php8.3-fpm.sock:", host: "moodle.afru.ac.ug"
2026/07/31 09:18:24 [error] 3817#3817: *29736 FastCGI sent in stderr: "PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Fatal error:  Declaration of qtype_coderunner_ideonesandbox::execute($sourcecode, $language, $input, $files = null, $params = null, $usecache = false) must be compatible with qtype_coderunner_sandbox::execute($sourcecode, $language, $input, $files = null, $params = null, $usecache = true, $cachecategory = 'Uncategori...') in /var/www/html/moodle/pub
2026/07/31 09:20:41 [error] 3811#3811: *29788 FastCGI sent in stderr: "PHP message: Default exception handler: Your session has most likely timed out. Please check if you are logged in or go back to the previous screen and reload the page. Debug:
Error code: invalidsesskey
* line 85 of /public/lib/sessionlib.php: core\exception\moodle_exception thrown
* line 32 of /public/theme/switchdevice.php: call to require_sesskey()" while reading response header from upstream, client: 192.168.10.1, server: learn.afru.ac.ug, request: "GET /theme/switchdevice.php?url=https%3A%2F%2Fmoodle.afru.ac.ug%2F&device=default&sesskey=fEWPtEFHLn HTTP/1.0", upstream: "fastcgi://unix:/var/run/php/php8.3-fpm.sock:", host: "moodle.afru.ac.ug"
2026/07/31 09:21:20 [error] 3811#3811: *29794 FastCGI sent in stderr: "PHP message: [client 103.59.160.210]  https://moodle.afru.ac.ug  Failed Login:  admin1  Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36" while reading response header from upstream, client: 192.168.10.1, server: learn.afru.ac.ug, request: "POST /login/index.php HTTP/1.0", upstream: "fastcgi://unix:/var/run/php/php8.3-fpm.sock:", host: "moodle.afru.ac.ug", referrer: "https://moodle.afru.ac.ug/login/index.php"
2026/07/31 09:26:05 [error] 3811#3811: *30014 FastCGI sent in stderr: "PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Fatal error:  Declaration of qtype_coderunner_ideonesandbox::execute($sourcecode, $language, $input, $files = null, $params = null, $usecache = false) must be compatible with qtype_coderunner_sandbox::execute($sourcecode, $language, $input, $files = null, $params = null, $usecache = true, $cachecategory = 'Uncategori...') in /var/www/html/moodle/pub
2026/07/31 09:28:19 [error] 7537#7537: *30044 FastCGI sent in stderr: "PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/public/question/type/coderunner/classes/sandbox.php on line 158; PHP message: PHP Fatal error:  Declaration of qtype_coderunner_ideonesandbox::execute($sourcecode, $language, $input, $files = null, $params = null, $usecache = false) must be compatible with qtype_coderunner_sandbox::execute($sourcecode, $language, $input, $files = null, $params = null, $usecache = true, $cachecategory = 'Uncategori...') in /var/www/html/moodle/pub