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Warning: Trying to access array offset on value of type null in /var/www/html/forms/Registro/agregar_lib.php on line 31

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Warning: Undefined array key "noregistro" in /var/www/html/forms/Registro/agregar_lib.php on line 62

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Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/html/forms/Registro/agregar_lib.php:66 Stack trace: #0 {main} thrown in /var/www/html/forms/Registro/agregar_lib.php on line 66