Custom field type with key com.burningcode.jira.issue.customfields.impl.jira-watcher-field:watcherfieldtype, required for custom field Watchers, not found. Check if it is defined in a plugin which is not enabled
At some point in the past, it looks as though this 3rd party App was installed in the system that the data is coming from. Install that App on the destination system and it should solve the problem.
It looks like you're new here. Sign in or register to get started.