Reference to non-existent field 'ExtMode'.

Hello everyone. I'm currently trying to upload my simulink model inside my hardware with the 'Deploy to Hardware' action. When I execute this action I get the following error in my diagnostic viewer:

Reference to non-existent field 'ExtMode'.

Component:Simulink | Category:Block diagram error

Can I see where the problem occurs? And how could I solve it? Thanks in advance.