DokuWiki Installer

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The installer found some problems, indicated below. You can not continue until you have fixed them.

{DOCUMENT_ROOT}/conf/ is not writable by DokuWiki. You need to fix the permission settings of this directory!
{DOCUMENT_ROOT}/data is not writable by DokuWiki. You need to fix the permission settings of this directory!
{DOCUMENT_ROOT}/data/pages is not writable by DokuWiki. You need to fix the permission settings of this directory!
{DOCUMENT_ROOT}/data/attic is not writable by DokuWiki. You need to fix the permission settings of this directory!
{DOCUMENT_ROOT}/data/media is not writable by DokuWiki. You need to fix the permission settings of this directory!
{DOCUMENT_ROOT}/data/meta is not writable by DokuWiki. You need to fix the permission settings of this directory!
{DOCUMENT_ROOT}/data/cache is not writable by DokuWiki. You need to fix the permission settings of this directory!
{DOCUMENT_ROOT}/data/locks is not writable by DokuWiki. You need to fix the permission settings of this directory!
{DOCUMENT_ROOT}/data/index is not writable by DokuWiki. You need to fix the permission settings of this directory!
{DOCUMENT_ROOT}/data/tmp is not writable by DokuWiki. You need to fix the permission settings of this directory!