Deprecated function: unserialize(): Passing null to parameter #1 ($data) of type string is deprecated in icon_bundles() (line 340 of /var/www/html/sites/all/modules/contrib/icon/icon.module).
Add a check for if the bundle is NULL, if don't call unserialize() in that case.
1.0
Code
The issue particularly affects sites running on PHP version 8.1.0 or later.
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