Unexpected non-MediaWiki exception encountered, of type "Zend_Search_Lucene_Exception"
exception 'Zend_Search_Lucene_Exception' with message 'Document id is out of the range.' in /mnt/website/gsm/extensions/GSMSearch/includes/Zend/Search/Lucene.php:1110
Stack trace:
#0 /mnt/website/gsm/extensions/GSMSearch/includes/Zend/Search/Lucene/Proxy.php(369): Zend_Search_Lucene->getDocument(6622)
#1 /mnt/website/gsm/extensions/GSMSearch/GSMSearch.classes.php(455): Zend_Search_Lucene_Proxy->getDocument(6622)
#2 /mnt/website/gsm/includes/CategoryPage.php(173): GSMSearch->searchWFields(Array, 'eventdate', 'regular', 'desc')
#3 /mnt/website/gsm/includes/CategoryPage.php(144): GSMCategoryViewer->doIndexQuery()
#4 /mnt/website/gsm/includes/CategoryPage.php(63): GSMCategoryViewer->getHTML()
#5 /mnt/website/gsm/includes/CategoryPage.php(36): CategoryPage->closeShowCategory()
#6 /mnt/website/gsm/includes/Wiki.php(390): CategoryPage->view()
#7 /mnt/website/gsm/includes/Wiki.php(48): MediaWiki->performAction(Object(OutputPage), Object(CategoryPage), Object(Title), Object(User), Object(WebRequest))
#8 /mnt/website/gsm/index.php(135): MediaWiki->initialize(Object(Title), Object(OutputPage), Object(User), Object(WebRequest))
#9 {main}

#0 /mnt/website/gsm/extensions/GSMSearch/includes/Zend/Search/Lucene/Proxy.php(369): Zend_Search_Lucene->getDocument(6622)
#1 /mnt/website/gsm/extensions/GSMSearch/GSMSearch.classes.php(455): Zend_Search_Lucene_Proxy->getDocument(6622)
#2 /mnt/website/gsm/includes/CategoryPage.php(173): GSMSearch->searchWFields(Array, 'eventdate', 'regular', 'desc')
#3 /mnt/website/gsm/includes/CategoryPage.php(144): GSMCategoryViewer->doIndexQuery()
#4 /mnt/website/gsm/includes/CategoryPage.php(63): GSMCategoryViewer->getHTML()
#5 /mnt/website/gsm/includes/CategoryPage.php(36): CategoryPage->closeShowCategory()
#6 /mnt/website/gsm/includes/Wiki.php(390): CategoryPage->view()
#7 /mnt/website/gsm/includes/Wiki.php(48): MediaWiki->performAction(Object(OutputPage), Object(CategoryPage), Object(Title), Object(User), Object(WebRequest))
#8 /mnt/website/gsm/index.php(135): MediaWiki->initialize(Object(Title), Object(OutputPage), Object(User), Object(WebRequest))
#9 {main}