Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 7.3.0".

Additional uncaught exception thrown while handling exception.

Original

ParseError: syntax error, unexpected 'const' (T_CONST), expecting variable (T_VARIABLE) in Composer\Autoload\includeFile() (line 70 of /var/www/html/dkan/modules/loft_data_grids/vendor/symfony/polyfill-mbstring/Mbstring.php).

Additional

Exception: theme() may not be called until all modules are loaded. in theme() (line 1017 of /var/www/html/dkan/includes/theme.inc).