Warning QString::arg() argument missing

[quickNitin]

greetings,
in the following code i am intializing a QString object

QString labelString;
...
labelString.clear();
labelString=QString("X%1 Y%2").arg(p.x()).arg(p.y()); //getting warning for this line
..

QString labelString;
...
labelString.clear();
labelString=QString("X%1 Y%2").arg(p.x()).arg(p.y()); //getting warning for this line
..

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This code is resulting in warning

Warning: QString::arg() :Argument Missing : X1.2233 Y4.23232

I couldn't find out the cause of this. Sicne this code is used very frequently so its like getting 200 wanings in 1 sec.

quickNitin