MediaWiki:Rest-update-cannot-create-page
From Sony PSP & PSVita Wiki
The page "$1" cannot be created since it already exists. To update the existing page, provide the base revision ID in the structure under "latest" key in the request body.
The page "$1" cannot be created since it already exists. To update the existing page, provide the base revision ID in the structure under "latest" key in the request body.
