Check if the number of charge carriers is larger than zero in DepositionPointChargeModule

        carriers_ = static_cast<unsigned int>(eh_per_um * step_size_z_);

        LOG(INFO) << "Step size for MIP energy deposition: " << Units::display(step_size_z_, {"um", "mm"}) << ", depositing "

                  << carriers_ << " e/h pairs per step (" << Units::display(eh_per_um, "/um") << ")";

        // Check if the number of charge carriers is larger than zero

        if(carriers == 0) {

            throw InvalidValueError(config_,

                                    "number_of_steps",

                                    "Number of charge carriers deposited per step is zero due to a large step number or "

                                    "small number of e/h pairs per um");

        }

    } else {

        config_.setDefault("number_of_charges", 1);

        carriers_ = config_.get<unsigned int>("number_of_charges");