Vreemd script: Fatal error: Class 'JTableMenu' not found - Joomla! Forum - community, help and support

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ik ben nieuw in joomla, en loop ergens tegen aan, en ik kan niet verder.

als ik in het menu iets wil wijzigen, wat dan ook, krijg ik de volgende melding:

fatal error: class 'jtablemenu' not found in /var/www/vhosts/pegasusoostende.be/subdomains/cleanenergie/httpdocs/administrator/components/com_menus/tables/menu.php on line 19

ik heb al wat gegoogled, en vind er wel wat on terug, maar ik zie nergens iets hoe ik dit op kan lossen.

weet er misschien iemand wat dit is, en hoe ik dit op kan lossen???

alvorens dank






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