hey! I am trying to design 90 degree hybrid on comsol. My model is ready but the field is not properly propogating in the last coupler. The field vanishes in the lower part of the coupler and hence forth does not propogate ahead in the model. How can I remove overriden ports. there are 2 ports in my model where wave excitation cant be given because the ports are overriden. Can someone please help me with suggestion on how to solve this issues
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