Modifier reaction to Phenotype are following the SBGN notation

Currently, modifier reactions to a Phenotype node are flagged as "Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format."

They are indeed according to the specification, they are not Reduced Notation.

E.g. This file: https://git-r3lab.uni.lu/covid/models/-/blob/master/Curation/Apoptosis/Apoptosis_03.06.2020.xml

Is translated to this one: model-3.sbgn

With the following warnings:
[StateTransitionReaction re22][UnknownInhibition][Complex csa11] Node skipped in export process, since it is not compliant with SBGN-ML format.
[PhysicalStimulationReaction re29] Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format.
[PhysicalStimulationReaction re32] Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format.
[StateTransitionReaction re23][UnknownInhibition][GenericProtein sa43] Node skipped in export process, since it is not compliant with SBGN-ML format.
[StateTransitionReaction re23][UnknownInhibition][GenericProtein sa69] Node skipped in export process, since it is not compliant with SBGN-ML format.
[PhysicalStimulationReaction re33] Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format.
[TransportReaction re10] Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format.
[PhysicalStimulationReaction re31] Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format.
[PhysicalStimulationReaction re28] Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format. [PhysicalStimulationReaction re27] Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format. [PhysicalStimulationReaction re14] Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format.
[PhysicalStimulationReaction re35] Invalid arc type. Reduced notation reaction found of type that is not compliant with SBGN-ML format.