parallels - Spot 5 Syntactic errors in this BPMN Diagram -


a bpmn diagram 5 syntactic errors

the syntactic error can find here complete transaction should closed. have not understood "parallel" pathway. confused why there "+" symbol every procedure. book isn't great. please kindly tell me errors full clarification.

1.service label absent.

2.reserved stock must in “finance”

3.from “status” “order car factory”, “order factory” step description missing.

4.after “handle cancellation”, description “reason?” missing , lastly no feedback message


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