3 warnings en php 8.1 à l'installation

Bonjour,

J'ai 3 warnings en php 8.1 (spip 4.1) à l'activation du plugin:

PHP Warning:  Undefined array key "readmoreLink" in .../plugins/auto/tarteaucitron/v1.4.2/tarteaucitron_administrations.php on line 71
PHP Warning:  Undefined array key "services" in .../plugins/auto/tarteaucitron/v1.4.2/tarteaucitron_administrations.php on line 75
PHP Warning:  foreach() argument must be of type array|object, null given in .../plugins/auto/tarteaucitron/v1.4.2/tarteaucitron_administrations.php on line 75