https://support.microsoft.com/en-au/topic/kb4536077-fix-dump-is-generated-when-you-create-an-ag-with-more-than-122-characters-in-sql-server-2019-f34460ef-5d2e-e629-1591-aa2a10607ec3
KB4536077 - FIX: Dump is generated when you create an AG with more than 122 characters in SQL...
FIX: Dump is generated when you create an AG with more than 122 characters in SQL Server 2019