C128A Trying to access array offset on value of type bool

[xumoran]

when i use C128A algorithm

(new DNS1D())->getBarcodePNG($orderItem->stock_code, 'C128A')

this error occurs
"Trying to access array offset on value of type bool"
DNS1D.php line:180

laravel version:9.2
php version:8.1.1
milon/barcode: 10.0.1

[alekmlynek]

Getting a similar issue:

$this->generator->getBarcodeHTML($this->accession->access_number, 'C128');

Error:
ErrorException PHP 8.2.11 11.4.0 Trying to access array offset on value of type null

Using:
milon/barcode: ^11

C128A, C128B work, C128C does not