I have this code:

sigc::connection conns[4];

And I get this error:

Program received signal SIGSEGV, Segmentation fault.
0x00f4b620 in g_type_check_instance_is_a ()

What does this mean?

Segmentation fault and SIGSEGV signal are generated due to unauthorised memeory access, check in your code do you need to assign memory for something

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