tripping rcd

Hi All, Looking for some guidance… hopefully someone has experienced this and it’s a simple fix? Went on holiday, turned the oven off at the RCD, came back, turned it back on, now it keeps tripping. Any ideas what would cause this? I don’t understand why it would now trip when it’s been off...

Hello Problem - No lights or sockets to the back of house RCD resets momentarily and then another switch goes. Sockets now now sensitised (no more tumble drier or hoover). its pot lock if it resets and we are leaving the lighting one off as nothing resets if that remains on. Context - We are...