Content and data cannot be in same collection.
このコンテンツはまだ日本語訳がありません。
MixedContentDataCollectionError: COLLECTION_NAME contains a mix of content and data entries. All entries must be of the same type.
What went wrong?
Section titled What went wrong?A legacy content collection cannot contain a mix of content and data entries. You must store entries in separate collections by type.
See Also:
Error Reference