How can I sovle this error in building a simulink model using M-target for Bachmann PLC?

Why do I receive an " Undefined function or variable 'auto'"error?

problem discription:

The call to m1target_make_rtw_hook, during the before_make hook generated the following error:

Undefined function or variable 'auto'.

The build process will terminate as a result.

this simulink model is builded for bachmann PLC,what is the solution?Thank you very much.

[Kamal Baghirli]

Hello. If you have found what the problem was, can you share it here after 10 years? :D