You may need to enable error logging in PHP. See: http://wiki.helioviewer.org/wiki/Optimizing_LAMP_(Linux,_Apache,_MySQL,_and_PHP)_for_Helioviewer#General
You may need to enable error logging in PHP. See: wiki.helioviewe r.org/wiki/ Optimizing_ LAMP_(Linux, _Apache, _MySQL, _and_PHP) _for_Helioviewe r#General
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