Hello,
The error message is
"An unexpected error has occurred. Exiting Final Fantasy XIV. 2019-12-04_ 10:29
ntdll.dll+3ACEF
AcLayers.DLL+6FD6
d3d11.dll+144A1
d3d11.dll+1CFB
d3d11.dll+7CC7F
d3d11.dll+1E6A7
d3d11.dll+2AF09
d3d11.dll+2B4D2"
I only play on the one character so I've never encountered it on my other one.