How to include sub process in collapsed process

[dharmraj]

I   have created two process  Main Process and Sub process . In Main Process used collapsed process option to include sub process but its throwing error .

Invalid sequenceflow definition, There is already another direct connection with the same source and target combination.

false

editor-executable-process

[openpj]

Do you have a form outcome in the subprocess where you have a condition?

It could be something related to this issue:

https://alfresco.atlassian.net/browse/MNT-18139