[racket] Racket 5.3.5,Scribble,Linux,.error

Error text is: 
open-output-file: forbidden (write) access to /home/monk/.racket/planet/300/5.3.5/.LOCKHARD-LINKS

/home/monk is my home directory.

It appears when I edit .scrbl file. I can make html or check syntax, no errors. But background check gives this error.
I checked the file: it created by DrRacket (I delete it, then start drracket, it appears). So drracket can write to the file. 

Please help

-- 
Roman Klochkov
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