Error in buidling mqtt client in qt creator

[Satyam Mishra]

Hello All,
I am trying  to build sample mqtt client on qt creator.
When i try to build it using g++ it its compiles and run without giving any error but
as try to build it on qt creator it gives the following error.

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                        Error output
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In function 'int main(int, char**)':

/main.cpp:39:23: error: invalid conversion from 'const void*' to 'void*' [-fpermissive]

pubmsg.payload = PAYLOAD;

^

make: *** [main.o] Error 1

10:37:18: The process "/usr/bin/make" exited with code 2.

Error while building/deploying projecQt 5.7.0 GCC 64bit)

When executing step "Make"

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Please find the program at following location:

https://eclipse.org/paho/clients/c/

Regards,

Satyam