<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1496125165533_49927">Hello</div><div id="yui_3_16_0_ym19_1_1496125165533_49927"><br></div><div id="yui_3_16_0_ym19_1_1496125165533_49927">My application has a name - ws.</div><div id="yui_3_16_0_ym19_1_1496125165533_49927"><br></div><div id="yui_3_16_0_ym19_1_1496125165533_49927">When I tried to trace calls it gives me exeptiion error</div><div id="yui_3_16_0_ym19_1_1496125165533_49927"><br></div><div id="yui_3_16_0_ym19_1_1496125165533_49954">sys:trace(ws,true).</div><div dir="ltr" id="yui_3_16_0_ym19_1_1496125165533_49955">** exception exit: {noproc,{sys,trace,[ws,true]}}</div><div dir="ltr" id="yui_3_16_0_ym19_1_1496125165533_49955"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1496125165533_49955">Why does such an error occur?</div></div></body></html>