ERROR:Sending out of sync to slave

Local Server: Ubuntu / Blynk 0.29.7
Hardware: FishinoUNO / Blynk 0.5.0

Even with the basic sketch, I get this error:

ERROR:Timeout (6002 mSec) – sending out-of-sync to slave
ERROR:Sending out of sync to slave

do you know what it can be?

Thank!

can anyone help me?

:piangere::ghignante: