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My pmwiki site worked perfectly until yesterday night, when my host
company seems to have stopped PHP for a while and then changed
something on their servers. I now, when trying to edit a page, get the
message "<b>Warning</b>: fopen(wiki.d/.flock): failed to open stream:",
with a ref to line 387 in pmwiki.php, and a PmWiki message "<font>Cannot
acquire lockfile</font>". The file is chmod 644 and the server as from
today refuses attribution changes. Suggestion for action?<br>
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