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"Only one start node can be created" / "Only one end node can be created" message appears

2026-08-22 16:59:02 UTC 2026-09-13 08:05:29 UTC

When adding a node to a process diagram, the following Messages may appear.

  • Only one start node can be created
  • Only one end node can be created

Cause

Each process can have only one Start Node and one End Node. This Message appears when you attempt to add another one while one already exists.

Resolution

If you want to branch a process, please use a Condition Node. Branched paths should ultimately merge into a single End Node.

If the content is divided to the extent that multiple endpoints are needed, you can also separate the processes themselves and connect them using Related Processes (Upstream Processes and Downstream Processes).

Related

How do I add and delete nodes and edges?
https://help.process.teachme.jp/hc/en-us/articles/61437175404057

Tell me about Related Processes.
https://help.process.teachme.jp/hc/en-us/articles/61437186385305