Getting error message after setting "enforce_q_lim" to 1

[Jubeyer Rahman]

Hi,

While running power flow, for ensuring zero reactive power violation, I
have set the enforce_q_lim to 0. But I am getting this error:

*Index exceeds array bounds.*
*Error in bustypes (line 43)*
*        ref = pv(1);    %% use the first PV bus*

Does anyone know any solution to this problem?

Regards,
Jubeyer