Why the "ProviderManagementModule" report this error?

Application Name: OpenMRS Version Number: 2.4.0SNAPSHOT

Question: Hi all! I want to add a provider in my system via the provider management module(version is 2.12.0), but it reports an error after I press “Add this Person as a New Provider”. I don’t know why I lose a file, does anyone can answer this problem? Thanks!

What value do you have for the setting/global property named layout.name.format?