[Erp5-dev] Error in Tutorial 2: How to create a new portal

[saad]

Hi,
An error occured when adding a Post, in the last step (Create Thread and 
Post) of this tutorial: 
https://www.erp5.com/documentation/developer/developer-Forum.Create.Portal.Type/view
I did correctly all previous steps.
2 screenshot are attached below.
Best Regards.
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