help about error in serial monitor

[Reza]

hi guys.
please help me about this error in serial monitor.
one:

!TSF:MSG:SEND,5-5-0-0,s=1,c=1,t=2,pt=1,l=1,sg=0,ft=10,st=NACK:1

two:

!TSM:READY:UPL FAIL,SNP

three:

!TSF:SND:TNR

what is related to this error? and what is solution? thank you

[hek]

https://ci.mysensors.org/job/Verifiers/job/MySensors/branch/development/Doxygen_HTML/group__MyTransportgrp.html#details

[Reza]

@hek
thank you dear hek