Hi @imfilip
This one seems to be a xgboost specifcic error. For those models often they should be saved in a way according to the package itself.
See this discussion on how to do that. Hope that clarifies things a bit 
Hi @imfilip
This one seems to be a xgboost specifcic error. For those models often they should be saved in a way according to the package itself.
See this discussion on how to do that. Hope that clarifies things a bit 