OUT OF STATE ADDITIONAL PLACE OF BUSINESS

Sir GD morning, I have one Doubt, my client has AP GST REGISTRATION, BUT HE PURCHASED GOODS OUT OF STATE SAME IS KEPT IN WAREHOUSE OF OUT OF STATE.NOW MY QUERY IS THAT PURCHASED GOOD KEEP IN OUT OF STATE WAREHOUSE OR NOT, PLS GIVE CLARITY REGARDING THIS ONE.IN AP GST REGISTRATION GOING TO ADD OUT OF STATE WAREHOUSE DETAILS NOT ACCEPTING BY THE PORTAL, WHAT COULD BE REASON, PLS GIVE CLARITY REGARDING THIS ONE