Java problem in a plot

clc;
flag_opt= 1;
flag_smi= 1;
flag_lsmi= 1;
flag_socp= 1;
flag_sqa= 1;
%------------------------------------
lw= 1;
figure,

plot(M_SNR, 10*log10(SINR_opt_avg), '-k*');   %, 'LineWidth', lw), hold on,

Unrecognized function or variable 'M_SNR'.

% k_p = 1;
% legend_M_suanfa{k_p}='Optimal';
legend('Optimal');
hold on;
plot(M_SNR, 10*log10(SINR_smi_avg), '-.g+');  %, 'LineWidth', lw)
%k_p = k_p+1;
%legend_M_suanfa{k_p}='SMI';
legend('SMI');


%if flag_lsmi
plot(M_SNR, 10*log10(SINR_lsmi_avg),'-bv');%%, 'LineWidth', lw),
% k_p = k_p+1;
%legend_M_suanfa{k_p}='LSMI';
legend('LSMI');
%end

%if flag_socp
plot(M_SNR, 10*log10(SINR_socp_avg), '--ro');  %%%, 'LineWidth', lw)
% k_p = k_p+1;
legend('SCOP');     % legend_M_suanfa{k_p}='SOCP';
%end

%if flag_sqa
plot(M_SNR, 10*log10(SINR_sqa_avg), '-k>'); %, 'LineWidth', lw)
% k_p = k_p+1;
%legend_M_suanfa{k_p}='SQA';
legend('SQA');
%end

xlabel('SNR(dB)')
ylabel('Output SINR(dB)')
%set(gca,'FontName', 'Times New Roman', 'FontSize', 16);
%legend(legend_M_suanfa, 'location', 'best')
%box on
%grid on
%legend('boxoff');
hold off

*********************************************

The problem :

Exception in thread "AWT-EventQueue-0" javax.media.opengl.GLException: Profile GL_DEFAULT is not available on WindowsGraphicsDevice[type .windows, connection decon, unitID 0, handle 0x0, owner false, NullToolkitLock[]], but: []

at javax.media.opengl.GLProfile.get(GLProfile.java:901)

at javax.media.opengl.GLProfile.getDefault(GLProfile.java:632)

at javax.media.opengl.GLCapabilities.<init>(GLCapabilities.java:84)

at com.mathworks.hg.peer.JavaSceneServerPeer.getCaps(JavaSceneServerPeer.java:147)

at com.mathworks.hg.peer.JavaSceneServerPeer.doCreateCanvas(JavaSceneServerPeer.java:676)

at com.mathworks.hg.peer.JavaSceneServerPeer.access$200(JavaSceneServerPeer.java:50)

at com.mathworks.hg.peer.JavaSceneServerPeer$2.run(JavaSceneServerPeer.java:650)

[Aquatris]

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