Deprecated: Symfony\Component\Yaml\Parser::getNextEmbedBlock(): Implicitly marking parameter $indentation as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\bookteca\vendor\symfony\yaml\Parser.php on line 565

Deprecated: Symfony\Component\Yaml\Parser::preg_match(): Implicitly marking parameter $matches as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\bookteca\vendor\symfony\yaml\Parser.php on line 1043