I keep getting an error message when i try to send data to the FCB1010

By JosefPistol , 12 June, 2026

this is the error code i get every time (Error: MIDI output device:
ID: 1
Name: USB MIDI Interface
Error sending MIDI System Exclusive message
Undefined external error.)

I have tried everything to fix it

reset FCB1010 to factory 

Fresh install of windows 

New Midi Cables 

Deleted duplicate driver is device manager. 

Unintsalled pragramme and reinstalled 

Nothing works. i have been at this for days. very lttle info online. the controller has work for a year with no issues. i have tweaked patches before with no issues. but now i get this consatnt error message. i hope one of you have had this issue and knows how to fix it 
 

Mark van den Berg

3 hours 11 min ago

Sorry for the extremely late reply, but I've been insanely busy.

"Undefined external error" is an error that has nothing to do with FCB1010 Manager itself (so reinstalling it won't help).
The operating system's multi-media driver reports this error if there is something fundamentally wrong with MIDI communication. It usually indicates a hardware problem with the MIDI interface or a problem with its device driver.

(Some USB-to-MIDI devices are simply unable to transmit the long FCB1010 System Exclusive message (see FCB1010-compatible MIDI interfaces), but I doubt whether those devices would cause "Undefined external error".)