Warning: require(/home/.sites/12/site825/web/vendor/composer/../symfony/deprecation-contracts/function.php): Failed to open stream: No such file or directory in /home/.sites/12/site825/web/vendor/composer/autoload_real.php on line 45

Fatal error: Uncaught Error: Failed opening required '/home/.sites/12/site825/web/vendor/composer/../symfony/deprecation-contracts/function.php' (include_path='/home/.sites/12/site825/web/vendor/pear/archive_tar:/home/.sites/12/site825/web/vendor/pear/console_getopt:/home/.sites/12/site825/web/vendor/pear/pear-core-minimal/src:/home/.sites/12/site825/web/vendor/pear/pear_exception:.:/usr/lib/php://share/php/php:/usr/share/pear:/usr/share/php') in /home/.sites/12/site825/web/vendor/composer/autoload_real.php:45
Stack trace:
#0 /home/.sites/12/site825/web/vendor/composer/autoload_real.php(49): {closure}('6e3fae29631ef28...', '/home/.sites/12...')
#1 /home/.sites/12/site825/web/vendor/autoload.php(25): ComposerAutoloaderInit225d47fde2764c3ead317f546ffcb9fd::getLoader()
#2 /home/.sites/12/site825/web/autoload.php(15): require('/home/.sites/12...')
#3 /home/.sites/12/site825/web/index.php(14): require_once('/home/.sites/12...')
#4 {main}
  thrown in /home/.sites/12/site825/web/vendor/composer/autoload_real.php on line 45