An issue does not get synchronized and appears in the troubleshooting section with the category 'Missing required fields' and the message, e.g. "customfield_10200":"Text field is required." or "description":"Description is required.".
The 'customfield_10200' part identifies the internal id of the field which is affected.
The issue sent from the other side does not contain a value for the required field. This might be due to the following reasons:
- The corresponding field is not mapped via Backbone and therefore no value is set by Backbone.
- The corresponding field is mapped via Backbone, but the issue on the sender side does not have a value.
There are different approaches how to resolve this situation: