There are many alerts showing active that did not auto archive.
Aria Operations for Networks 6.12
Aria Operations for Networks 6.13
Aria Operations for Networks 6.14
SSH to Platform 1 with Support user and run the commands below
ub
rdb
customerId
Copy your customer ID as we will need it for next step.
sudo su consoleuser
close-all-alerts -cid <your customer id>