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boost::mqtt5::reason_codes::unsupported_protocol_version
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boost::mqtt5::reason_codes::unsupported_protocol_version

The Server does not support the requested version of the MQTT protocol.

Synopsis

Defined in header <boost/mqtt5/reason_codes.hpp> 

constexpr
boost::mqtt5::reason_code unsupported_protocol_version { 0x84 };

Convenience header <boost/mqtt5.hpp>

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Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

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