Sadly, I still cannot make it work. Now it compiles ok but when I run the M-x blorg-publish command on the file

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#+TITLE: meltemi
#+BLOG_URL: http://localhost/blorg/
#+PUBLISH_DIR: g:/htdocs/BLORG/

    
* DONE This is my first entry         :misc:           
       CLOSED: [2008-01-30 Τετ]
    
     Hello world!
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as described in the manual, It just says

 Wrong type argument: stringp, nil

and does nothing

sorry for bathering you again