Issue:
We recently purchased your M2OneStepCheckout version 2.2.2. Unfortunately, it stops the PayPal express window from opening for Logged In User and we can't use PayPal express.
I tested with deactivating plugin and it works ok with default checkout.

Solution:
This issue is caused due to our module's bug.
The root of this issue is that the module checks the shipping address for the logged-in users, but if the logged-in users do not have the shipping address already, it will show the issue above.
We would like to give the solution to hot-fix this issue.
We have made a change in this file: app/code/Bss/OneStepCheckout/view/frontend/web/js/model/set-payment-information-mixin.js

Please check and replace this fixed code on your site.
If you need any further support, please feel free to contact us.
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