getgrav/grav · error · RuntimeException

Error - can not open file.

Error message

Error - can not open file.

What it means

Error "Error - can not open file." thrown in getgrav/grav.

Source

Thrown at system/src/Grav/Common/Utils.php:791

            /* output the file itself */
            $chunksize = $bytes * 8; //you may want to change this
            $bytes_send = 0;

            $fp = @fopen($file, 'rb');
            if ($fp) {
                if ($range) {
                    fseek($fp, $range);
                }
                while (!feof($fp) && (!connection_aborted()) && ($bytes_send < $new_length)) {
                    $buffer = fread($fp, $chunksize);
                    echo($buffer); //echo($buffer); // is also possible
                    flush();
                    usleep($sec * 1000000);
                    $bytes_send += strlen($buffer);
                }
                fclose($fp);
            } else {
                throw new RuntimeException('Error - can not open file.');
            }

            exit;
        }
    }

    /**
     * Returns the output render format, usually the extension provided in the URL. (e.g. `html`, `json`, `xml`, etc).
     *
     * @return string
     */
    public static function getPageFormat(): string
    {
        /** @var Uri $uri */
        $uri = Grav::instance()['uri'];

        // Set from uri extension
        $uri_extension = $uri->extension();

View on GitHub (pinned to 6040efed04)

When it happens

Trigger: Thrown at system/src/Grav/Common/Utils.php:791 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of getgrav/grav@6040efed04 (2026-08-17). Data as JSON: /api/errors/b823bbbe839f3638. Report an issue: GitHub.