Those errors appear in most cases if a required System Extension for Direct Connect is missing.
The following components are necessary to run the ESB:

1) System Extensions:

-Digidesign Direct I/O
-Digidesign DSP Manager
-Digidesign StreamManager
-DigiSystem INIT

2) DAE Folder:
- DAE
- Plug-Ins:
24-bit Optimized Mixer
DirectConnect

Please use DAE version 5.1 if possible.