Game Server Maintenance
Some maintenance times have been posted on League of Legends official site. According to League's status site:
Starting at 05/07/2019 05:30 PDT Ranked Queues will be disabled until 05/07/2019 08:00 PDT.
There is no official information yet if this maintenance is related to Patch 9.10 coming out this week. For now, be sure to check your regional status website for more information:
Thanks everyone for reading!