What to do when you open AX R3 CU9 and see this beauty. Empty error description.
The issue appeared due to difference in AX versions that were used for database (R3 CU10), and AOS (R3 CU8) .
Solution for this problem is to renew an AOS and client
You can ensure that you have the issue by finding issue description in the event viewer:
Object Server 01: Fatal SQL condition during login. Error message: "The internal time zone version number stored in the database is higher than the version supported by the kernel (9/8). Use a newer Microsoft Dynamics AX kernel."