Empty body_r and body_toc (source)

This is a comment on Upgrade to 5.5, posted by Mangalor at 10.05.2018 15:34

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After upgrade body_r and body_toc in 'page' table are empty. When the wiki-page with ~{{toc}} is being opened first time after upgrade the table of contents on the page is empty too. Only second opening of the page fills the TOC section. Is any way to refill cleared body_r and body_toc automatically? Othewise it is need to fix show method when body_r and body_toc are empty.