Missing candles in FTSE futures

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xnox
Missing candles in FTSE futures

I've been monitoring FTSE near quarter EPIC (currently IX.D.FTSE.FWS3.IP) via lightstreamer api. And I noticed that I missed a few candles - 73 on Friday.

I thought it's ok, I'll just backfill data using the REST API, and to my surprise REST API doesn't have those candles either -

EG.

https://demo-api.ig.com/gateway/deal/prices/IX.D.FTSE.FWS3.IP?from=2016-...

And many other timestamps too: 20:15-20:29, most of 23:XX previous day (aka midnight hour GMT time), and others. 73 in total.

Is that normal to have "gaps" in quotes of futures outside of FSE trading hours?