ISSUE:
I have installed BSS customer attribute extension in my testing env and set some attributes in the registration form. It does work fine. However, I've also enabled the default Magento's customer attribute - Gender. It becomes unable to save within the customer edit page.
SOLUTION:
Unfortunately, our module has not worked properly with the default Gender attribute
To resolve the issue, please edit the file app/code/Bss/CustomerAttributes/Plugin/Model/Metadata/Form.php as below:

public function afterGetAllowedAttributes($subject, $result)
+ $attributeDefault = ['firstname', 'lastname', 'middlename', 'email', 'password', 'taxvat', 'gender', 'dob'];
If you need any further assistance, please feel free to contact us. We'd be happy to support you!
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BSS Commerce is a full-service ecommerce agency with 14+ years of experience, supporting 75,000+ customers worldwide. As an Adobe Commerce Solution Bronze Partner and Select Magento Extensions Builder, we deliver trusted end-to-end solutions.
Our core strength is Magento, with 150+ extensions designed to enhance store performance and drive growth. With deep expertise from years of working on Magento websites, we deliver scalable, high-impact solutions backed by strong client trust.
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