Thanks Igor, compiled new linux binary just fine. Wanted to ask you this, do I update Qt btc trader the proper way?

After compile, I issue a make install command, which I assume copies binaries to appropriate directories and overwrites previous files.

Is there a way to preserve old ones too? (just to be safe)

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Trader gives me pop-up error with message: Too many commands.

Log says:

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2018-03-29 21:39:00 LVL:2
API error: Too many commands ReqType: 202
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This happens on Bitmarket.pl exchange only.