error: lti: outname 'ig_d' is ambiguous

[Beginner1]

Hi,

I was wondering what implies this error:

"error: lti: outname 'ig_d' is ambiguous"

when assembling a state-space system made of several subsystems with the
"connect" command.

The lines that correspond to this error are written below:


inname_group={'vdcref','vdc','qacref','qac','vacref','vac','fmeas','pdcref','paux','FSMcoordpos','vod','voq','id_AC','iq_AC','Vdcdiff',
'Vg_d','Vg_q'};
 
outname_group={'idref','iqref','Vdref','Vqref','Pmd','Pmq','Vd_AC','Vq_AC','id_AC','iq_AC','vod','voq','ig_d','ig_q'};
 
sys=connect(sys_ol,sys_il,sys_nb,sys_vsc,sys_rlc,sys_cl,inname_group,outname_group);







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