MediaWiki:Apierror-contentmodel-mismatch
The content you supplied has $1 content model, which differs from the current content model of the page $2.
サブアカウントを使用する場合は双方の個人用ページにサブアカウントのIDを必ず記入してください
The content you supplied has $1 content model, which differs from the current content model of the page $2.