Issue:
I have updated version 1.3.1 on M2.4.1.
Going to the shipping or billing address edit page on an Invoice in admin gives the following Javascript JSON error:
Uncaught SyntaxError: Unexpected token } in JSON at position 140
The JSON is:
{
"*": {
"Bss_CustomerAttributes/js/order/address/customer-address": {
"customAddress": }
}
}

Solution:
The issue happens due to the module's bug in the case that orders do not the customer address attribute
To solve this issue, we have edited this file app/code/Bss/CustomerAttributes/view/adminhtml/templates/order/address/form.phtml
Please check and apply the fixed attachment to the site.
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