Thanks for checking in here!All the responses have been super helpful, I think one common point being to avoid "personalised attributes with large values" , just haven't been able to fully test with our emails yet.

My team and I have encountered this error a couple times now - Some larger emails with more personalization have mirror page URLs that are too long to function properly, with the error message that the length surpasses the supported character limit.Adobe seems to be working on a solution to extend t...