Description of problem: When starting simulation of any circuit in qucs GUI, it is aborted at netlist creation with output like this in progress-window: ---------------------------- creating netlist... NOTIFY: TR1: creating node list for initial DC analysis Errors occurred during simulation on Tue 14. Mar 2023 at 20:46:11:685 Aborted. ---------------------------- And this in Errors and Warnings: --------------------- /usr/include/c++/12/bits/stl_vector.h:1123: std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](size_type) [with _Tp = qucs::nodelist_t*; _Alloc = std::allocator<qucs::nodelist_t*>; reference = qucs::nodelist_t*&; size_type = long unsigned int]: Assertion '__n < this->size()' failed. ERROR: Simulator crashed! Please report this error to qucs-bugs.net ------------------------- Version-Release number of selected component (if applicable): 0.0.20 How reproducible: Tested four different examples and one own circuit. All failed with same error pointing to stl_vector.h:1123. Steps to Reproduce: 1. Open any example project in /usr/share/qucs/examples 2. Start simulation 3. Actual results: Simulator crash. Expected results: Simulation output. Additional info:
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