``` LD (gcc) [M app_lua_sr.so] app_lua_sr.so CC (gcc) [M lwsc.so] lwsc_mod.o lwsc_mod.c: In function 'lwsc_get_endpoint': lwsc_mod.c:533:13: error: 'struct lws_context_creation_info' has no member named 'ws_ping_pong_interval' 533 | ep->crtinfo.ws_ping_pong_interval = 5; /*secs*/ | ^ make[2]: *** [../../Makefile.rules:100: lwsc_mod.o] Error 1 make[1]: *** [Makefile:511: modules] Error 1 make[1]: Leaving directory '/root/rpmbuild/BUILD/kamailio-5.5.0/src' make: *** [Makefile:34: every-module] Error 2 ```