Hi, Harmonic balance simulation of the attached schematic crashes with the following error message: ``` terminate called after throwing an instance of 'std::out_of_range' what(): vector::_M_range_check: __n (which is 4) >= this->size() (which is 4) ``` BR, Stanislav [rectif1.zip](https://github.com/user-attachments/files/19163000/rectif1.zip)