This page identifies a possible issue, inconsistency, concern, error, or bug!
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The issue is (still as of 2026-06-12) apparent in examples such as:
Although it seems some changes to address this issue have recently been made to some SysMLv2 PILOT samples.
Both Cameo2026x and Cameo2026xHF2 struggle to interpret this wrong code formulation, but have different (necessarily incorrect) interpretations of the error:
entry action initial;
transition first initial then ...
In Cameo 2026xHF2 it turns that into a succession with an else!.
The code form shown above is NOT consistent with multiple other statements in the specification nor with the metamodel
Compare with:
Instead of following those particular SysMLv2 GitHub samples use this:
This issue is discussed at some length with practical advice on workarounds in analysis slides of the Webel SysMLv2 course: