This is the answer I got:
Cristina L., Jul 10, 10:51 EDT:
Hello Vault Hunter Tyakyh,
Thank you for contacting 2K Support and for your interest in Borderland 2!
As per the info provided, it seems like some of your items are missing from your inventory? I’m terribly sorry to hear that! It appears that our CL4P-TP units are up to no good again. Don’t fret! We’ll do everything in our power to assist you!
Firstly, please visit this support article to learn about performing a cache clear on your console, as this is a common solution to many issues our customer’s experience.
If that didn’t work, I would need the following information from you:
A list of items that you’re missing:
The email address associated with your SHiFT account:
You SHiFT Support ID. To get your ID: launch your Borderlands game > select "Extra" > select "SHiFT Code" > press "Triangle" > your ID should be displayed on screen:
With this information, I will be able to escalate your case to the appropriate department for further assistance.
In the meantime, if you have any further questions or concerns, please don’t hesitate to contact us again! We will be happy to assist you!
See you on Pandora!