[Elecraft] PTT-ERR

[Larry Boekeloo]

Hi everyone,
Since I upgraded the software on my K3 last time, I would get PTT-ERR messages when using FSK/RTTY every now and then.
Now it seems to be happening during a RTTY transmission.  I know there were some changes in the K3 software but I can't figure out how fix this issue.
I'm using a RigExpert TI-5 interface which is connected to the computer via USB and then to the K3 with their interface cable(s).  I'm using MMTTY with Hamscope for my software.  It always worked great previously to this last upgrade.
Any thoughts or ideas?

Thanks.
Larry, KN8N