Bostik Silicone Sealant 90ml - old hardened silicone in tube.

I purchased a 90ml tube of white silicone sealant a few weeks ago from Checkers Hyper in Goodwood.

As I wanted to use it, I squeezed it but nothing came from the tube, instead the rear popped open with mixed wet and old dry silicone.

I don't have the slip anymore as I didn't think I would need to keep it for silicone.

Please advise on the course of action you will be taking to correct this non-conformance. I have images I can send which includes the batch details for your quality control purposes (PD: 28.06.2017 / 87572).