What should I do if my cash and ATM/credit cards

You are going to Europe and asking about a situation in Europe and posting it on a Puerto Vallarta Mexico board? Unless there is more to this story, I suggest you go to Trip Advisor and ask there on the forum for the country you will spend most time in. Chuck... 8)

call visa and your bank to cancel them if lost, do not carry them together and your bank should be able to send you emergency cash to wherever you ask them to do so