PHP Notice after fetching acf

[mauthi]

I try to fetch an acf 'url' with:
Customer::find(3271)->url;

I get the following error:
PHP Notice: unserialize(): Error at offset 0 of 31 bytes in /Users/mauthi/coding/Enso/vendor/corcel/acf/src/Field/BasicField.php on line 91�

Line 91 is:
if ($array = @unserialize($value) and is_array($array)) {

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PHP Version: 7.4.11

[letsrun]

We also see this.