I have instaled NEST 3.3 (on a Rocky Linux 8.5) from source.

After entering python and executing "import nest" I receive the following error. It looks like cannot load some neuron models. I tried to install last git version, but problem persist. Please, some idea?

Thanks a lot in advance

Xavier

python: /home/neurobit/src/nest-simulator/nestkernel/model_manager.h:321: size_t nest::ModelManager::get_num_connection_models() const: Assertion `connection_models_[ 0 ].size() <= invalid_synindex' failed.

[dcccluster:979935] *** Process received signal ***

[dcccluster:979935] Signal: Aborted (6)

[dcccluster:979935] Signal code:  (-6)

[dcccluster:979935] [ 0] /usr/lib64/libpthread.so.0(+0x12c20)[0x7f8c3a3cdc20]

[dcccluster:979935] [ 1] /usr/lib64/libc.so.6(gsignal+0x10f)[0x7f8c398a337f]

[dcccluster:979935] [ 2] /usr/lib64/libc.so.6(abort+0x127)[0x7f8c3988ddb5]

[dcccluster:979935] [ 3] /usr/lib64/libc.so.6(+0x21c89)[0x7f8c3988dc89]

[dcccluster:979935] [ 4] /usr/lib64/libc.so.6(+0x2fa76)[0x7f8c3989ba76]

[dcccluster:979935] [ 5] /home/neurobit/local/nest_3.3/lib64/python3.8/site-packages/nest/../../../nest/libnestkernel.so.3(+0x1aad22)[0x7f8c2a878d22]

[dcccluster:979935] [ 6] /home/neurobit/local/nest_3.3/lib64/python3.8/site-packages/nest/../../../nest/libnestkernel.so.3(_ZN4nest12ModelManager26register_connection_model_EPNS_14ConnectorModelE+0x32d)[0x7f8c2a80f07d]

[dcccluster:979935] [ 7] /home/neurobit/local/nest_3.3/lib64/python3.8/site-packages/nest/../../../nest/libmodels.so.3(_ZN4nest12ModelManager25register_connection_modelINS_24vogels_sprekeler_synapseEEEvRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEENS_28RegisterConnectionModelFlagsE+0x171)[0x7f8c2b04d071]

[dcccluster:979935] [ 8] /home/neurobit/local/nest_3.3/lib64/python3.8/site-packages/nest/../../../nest/libmodels.so.3(_ZN4nest12ModelsModule4initEP14SLIInterpreter+0x2c14)[0x7f8c2afa0404]

[dcccluster:979935] [ 9] /home/neurobit/local/nest_3.3/lib64/python3.8/site-packages/nest/../../../nest/libsli.so.3(_ZN9SLIModule7installERSoP14SLIInterpreter+0x59)[0x7f8c29a22369]

[dcccluster:979935] [10] /home/neurobit/local/nest_3.3/lib64/python3.8/site-packages/nest/../../../nest/libsli.so.3(_ZN14SLIInterpreter9addmoduleEP9SLIModule+0x44)[0x7f8c299c29f4]

[dcccluster:979935] [11] /home/neurobit/local/nest_3.3/lib64/python3.8/site-packages/nest/../../../nest/libnest.so.3(_Z11neststartupPiPPPcR14SLIInterpreterNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x13cc)[0x7f8c2b6d37ec]

[dcccluster:979935] [12] /home/neurobit/local/nest_3.3/lib64/python3.8/site-packages/nest/pynestkernel.so(+0x42475)[0x7f8c2b920475]

[dcccluster:979935] [13] /usr/lib64/libpython3.8.so.1.0(+0x1d8faf)[0x7f8c3a9dcfaf]

[dcccluster:979935] [14] /usr/lib64/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x976)[0x7f8c3a9e5406]

[dcccluster:979935] [15] /usr/lib64/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x1bf)[0x7f8c3a9a37af]

[dcccluster:979935] [16] /usr/lib64/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x5da)[0x7f8c3a9e506a]

[dcccluster:979935] [17] /usr/lib64/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x3e7)[0x7f8c3a9a23c7]

[dcccluster:979935] [18] /usr/lib64/libpython3.8.so.1.0(PyEval_EvalCode+0x23)[0x7f8c3a9a35a3]

[dcccluster:979935] [19] /usr/lib64/libpython3.8.so.1.0(+0x25114b)[0x7f8c3aa5514b]

[dcccluster:979935] [20] /usr/lib64/libpython3.8.so.1.0(+0x1667e0)[0x7f8c3a96a7e0]

[dcccluster:979935] [21] /usr/lib64/libpython3.8.so.1.0(PyVectorcall_Call+0x70)[0x7f8c3a96f390]

[dcccluster:979935] [22] /usr/lib64/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x68d9)[0x7f8c3a9eb369]

[dcccluster:979935] [23] /usr/lib64/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x3e7)[0x7f8c3a9a23c7]

[dcccluster:979935] [24] /usr/lib64/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x422)[0x7f8c3a9a3a12]

[dcccluster:979935] [25] /usr/lib64/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x54d9)[0x7f8c3a9e9f69]

[dcccluster:979935] [26] /usr/lib64/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x1bf)[0x7f8c3a9a37af]

[dcccluster:979935] [27] /usr/lib64/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x976)[0x7f8c3a9e5406]

[dcccluster:979935] [28] /usr/lib64/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x1bf)[0x7f8c3a9a37af]

[dcccluster:979935] [29] /usr/lib64/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x5da)[0x7f8c3a9e506a]

[dcccluster:979935] *** End of error message ***