
ArticleCloud MigrationJira
JCMA "We couldn't export Custom Field Config Scheme": three causes, three fixes
JCMA stops with "We couldn't export Custom Field Config Scheme" and a java.lang.NullPointerException, and the same message has three unrelated causes, each documented in a different Atlassian source. Here is how to tell them apart from the log line, the fix for each, three problems in the knowledge base's own SQL, and what the Cloud-to-Cloud side looks like.