At every holiday,will get invalid quote data, and didn't clear these data at next working day

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The data source is IB EUR.USD-IDEALPRO-CASH.
The illegal data was very affects the calculation of indicators.
Is there any way to solve it?

@Tomasz

The answer is Backfill http://www.amibroker.com/guide/h_ib.html and
http://www.amibroker.com/guide/h_rtsource.html

Very thanks for answer! You mean forced backfill, if I want to handle it automatically, I have to use an external tool to operate?

I tested it and found that the backfill was correct, but when I closed the amibroker and opened it again, the error data came back and I needed to backfill it again. Is there a way to automatically backfill through AFL calls and store them in the database?