VIAVI TestCenter: Modules are not working with STC version 4.90 GA
Knowledge Base - FAQ
Modules are not coming up when chassis is being upgraded to release 4.90.
This is a known issue with the version 4.90 Firmware that was released on September 21th 2018 for Controller 2 and 3, with file size of 3,638,545 KB and 6,380,450 KB respectively.
The fixed is currently being worked
N/A