Keep writing PDRs and an email to the help email in Crew Companion.
Both CCS and Crew companion are dorked up still for ATT especially. I've done text alerts for both settings and sometimes it works for a few days, then every once in awhile, one slips thru. Same problem for Shorts Calls/FSBs, where sometimes no alerts for those.

But you need to PDR. Found out that a scheduler was building SCs and assigning them directly, instead of having them in open time per the contract. Ie. After 1100, any SC/FSB must be in open time for 4 hours or 15 hours prior to a trip, whichever occurs earlier, before assigning. Caught a senior scheduler not abiding by this, which totally screws up how people pick up trips.

Crew Companion folks are still trying to isolate it on a permanent basis.