in the error logs. 159 errors on Wikimedia Commons (only seen there and only on page https://commons.wikimedia.org/wiki/Commons:Picture_of_the_Year/2022/R2/Gallery)
Apologies in advance if this turns out to be a gadget!
at vendorPropName https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.discussionTools.init%7Cjquery%2Cmoment%2Coojs-ui-core&skin=vector&version=ov89c:393:632 at finalPropName https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.discussionTools.init%7Cjquery%2Cmoment%2Coojs-ui-core&skin=vector&version=ov89c:393:923 at Function.css https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.discussionTools.init%7Cjquery%2Cmoment%2Coojs-ui-core&skin=vector&version=ov89c:397:628 at https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.discussionTools.init%7Cjquery%2Cmoment%2Coojs-ui-core&skin=vector&version=ov89c:400:93 at access https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.discussionTools.init%7Cjquery%2Cmoment%2Coojs-ui-core&skin=vector&version=ov89c:360:232 at jQuery.fn.init.css https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.discussionTools.init%7Cjquery%2Cmoment%2Coojs-ui-core&skin=vector&version=ov89c:399:824 at _closeFullScreen https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.gadget.POTYEnhancements.core&skin=vector&version=19oqu:37:596 at HTMLDocument.<anonymous> https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.gadget.POTYEnhancements.core&skin=vector&version=19oqu:37:865 at HTMLDocument.dispatch https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.discussionTools.init%7Cjquery%2Cmoment%2Coojs-ui-core&skin=vector&version=ov89c:376:260 at elemData.handle https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.discussionTools.init%7Cjquery%2Cmoment%2Coojs-ui-core&skin=vector&version=ov89c:372:877