“Technical glitches obviously do happen but I cant help getting a bit of a Lois Lerner flashback upon hearing that five months of messages are missing from the time right after Trump was elected until 10 days before Robert Mueller was appointed as Special Counsel. So if you were hoping for any follow up on that comment about an insurance policy, it looks like you can forget it. Thats a well-timed glitch.”
https://hotair.com/archives/2018/01/21/text-messages-peter-strzok-lisa-page/
The explanation for the gap was misconfiguration issues related to rollouts, provisioning, and software upgrades that conflicted with the FBIs collection capabilities.
The moment that this explanation was provided to Congress, the author or spokesperson of this should have been arrested by U.S. Marshalls as evidence of collaborative sedition.