MultiCharts. ATR mismatch when there are empty bars

There is a mismatch in ATR calculation using MultiCharts engine.
When there are empty bars in the atr period.

Example:

- Match
2019-06-26 06:00:00 201.57314600301638
2019-06-26 07:00:00 206.24448870286557
2019-06-26 08:00:00 205.43226426772225
| Empty Bars
- Mismatch
2019-06-26 11:00:00 Real: 195.31065105433612 SQX: 195.21065
2019-06-26 12:00:00 Real: 185.64511850161932 SQX: 185.55013
2019-06-26 13:00:00 Real: 176.46286257653836 SQX: 176.37262

When there will be no empty bars in the future it will start to match again.

Strategy: https://www.dropbox.com/s/r70y7qzmfqataop/mismatch.sqx?dl=1
Data: https://www.dropbox.com/s/8pqnb4gxunuuuq3/btcusd.rar?dl=1
Settings: https://www.dropbox.com/s/e4kwkb47jgpkqgc/btcusd_settings.png?dl=0