Error in saveas, can't save current figure

plot a heatmap and then tried to save the figure with saveas function on workspace,

according to the guide of matlab website "https://kr.mathworks.com/help/matlab/ref/saveas.html?lang=en"

the code is

>> saveas(gcf,'abc.png') 

but, an error is occurred as follows,

 Error : matlab.graphics.internal.name (line 101)* 
 Cannot create output file '.\abc.png'*

 error : print (line 71)
 pj = matlab.graphics.internal.name( pj );

 error : saveas (line 181)
        print( h, name, ['-d' dev{i}] )

the contents of line101

error(message('MATLAB:print:CannotCreateOutputFile', pj.FileName));

Answer 1

[madhan ravi]

Try the full code:

x = [2 4 7 2 4 5 2 5 1 4];
bar(x);
saveas(gcf,'abc.png')

Remark : Create figure before saving

[madhan ravi]

see attached .png file