I am facing this issue while multisigning from other device.
Something went wrong when trying to load this proposal (Item with id rinkeby-0x3bDc86e16b8E2016586cDB4b7dc2ac3178CCCc51 not found.). Please try again or contact us at defender-support@openzeppelin.com.
Yes, i am trying to access with a different computer and different metamask wallet.