Amibroker API ver can get fractional size Data from TWS

Fail to backfill GBP/USD Data and Amibroker pop up this Message?

How to solve it?
By Upgrade TWS or Amibroker?

Many thanks!

Ignore this message.

It is NOT advised to upgrade TWS.
In fact tested stable 981 works absolutely best
See this:

You can download perfectly working time-tested version 981 from here

Interactive Brokers have tendency to break working systems with their newer versions, therefore we advise NOT to upgrade TWS.

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