I've tried to modify and old request and I was getting an error, also tried to create a new account and same thing..
Update failed. First exception on row 0 with id a10a0000009Ymp6AAC; first error: CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY, TrainingRequestTrigger: execution of BeforeUpdate caused by: System.NullPointerException: Attempt to de-reference a null object Class.TriggerFactory.CreateHandler: line 289, column 1 Trigger.TrainingRequestTrigger: line 3, column 1: [
I've reported this to their support email, so not sure if there any issues on their side.