Error parsing XML document

/mnt/stor/prosjekt/menota/public_html/index_en.page:119: parser error : Entity 'aring' not defined
         <item><ref target="./meldingar/2008-05-16.page">Menotas kodingsh&aring;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:121: parser error : Entity 'aring' not defined
                <item><ref target="./meldingar/2008-02-28.page">Menotas h&aring;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:124: parser error : Entity 'aring' not defined
 <item><ref target="./meldingar/2007-06-20.page">Nye interpunksjonstegn p&aring;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:125: parser error : Entity 'auml' not defined
                    <item><ref target="./meldingar/2007-03-02.page">V&auml;xj&ou
                                                                           ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:125: parser error : Entity 'ouml' not defined
                 <item><ref target="./meldingar/2007-03-02.page">V&auml;xj&ouml;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:141: parser error : Entity 'aring' not defined
.hit.uib.no/menota/guidelines/index.page">Versjon 1.1 av Menotas kodingsh&aring;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:143: parser error : Entity 'oslash' not defined
                    <item><ref target="./TVB/nytt/2003-09-30.html">F&oslash;rste
                                                                            ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:144: parser error : Entity 'aring' not defined
             <item><ref target="./arkiv/2003-05-20.html">Menotas kodingsh&aring;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:144: parser error : Entity 'aring' not defined
003-05-20.html">Menotas kodingsh&aring;ndbok er publisert i versjon 1.0 p&aring;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:146: parser error : Entity 'oslash' not defined
 <item><ref target="./arkiv/2002-12-19.html">Menota TVB opprettet med st&oslash;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:146: parser error : Entity 'aring' not defined
-12-19.html">Menota TVB opprettet med st&oslash;tte av Norges forskningsr&aring;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:147: parser error : Entity 'oslash' not defined
   <item><ref target="./arkiv/2002-11-25.html">Den svenske riksbanken st&oslash;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:165: parser error : Entity 'Iacute' not defined
n a very close transcription) and some on a normalised level (as in the &Iacute;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:251: parser error : Entity 'iacute' not defined
    <p>The Menota statutes were passed at the council meeting in Reykjav&iacute;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:283: parser error : Entity 'iacute' not defined
nternmappe/referat/RaadsReferat2003-09-06.page">Council meeting, Reykjav&iacute;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:284: parser error : Entity 'oslash' not defined
t="./internmappe/referat/RaadsReferat2002-09-14.page">Council meeting, K&oslash;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:298: parser error : Entity 'eth' not defined
                        <item><ref target="mailto:gudvardr@hi.is">Gu&eth;var&eth
                                                                         ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:298: parser error : Entity 'eth' not defined
                       <item><ref target="mailto:gudvardr@hi.is">Gu&eth;var&eth;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:299: parser error : Entity 'aacute' not defined
                                M&aacute;r Gunnlaugsson</ref>, Iceland</item>
                                         ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:303: parser error : Entity 'oslash' not defined
                        <item>Mette Gismer&oslash;y Ekker, Norway</item>
                                                  ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:314: parser error : Entity 'oslash' not defined
                            K&oslash;benhavn</item>
                                     ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:320: parser error : Entity 'oslash' not defined
                            Kyrkjeb&oslash;</ref>, Bergen</item>
                                           ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:377: parser error : Entity 'iacute' not defined
   <ref target ="http://www.arnastofnun.is/">Stofnun Árna Magnússonar &iacute;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:377: parser error : Entity 'iacute' not defined
arget ="http://www.arnastofnun.is/">Stofnun Árna Magnússonar &iacute; &iacute;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:377: parser error : Entity 'aelig' not defined
.arnastofnun.is/">Stofnun Árna Magnússonar &iacute; &iacute;slenskum fr&aelig;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:377: parser error : Entity 'eth' not defined
stofnun.is/">Stofnun Árna Magnússonar &iacute; &iacute;slenskum fr&aelig;&eth;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:390: parser error : Entity 'auml' not defined
ef target ="http://www.vxu.se/hum/forskn/ims/intermedialitet_och_balla/">V&auml;
                                                                               ^
/mnt/stor/prosjekt/menota/public_html/index_en.page:390: parser error : Entity 'ouml' not defined
t ="http://www.vxu.se/hum/forskn/ims/intermedialitet_och_balla/">V&auml;xj&ouml;
                                                                               ^
 at /usr/lib/perl5/site_perl/Aksis/XSLTransformer/Application.pm line 154