error logs in my L-3 Switch what is the problem how to sole

[Philip D'Ath]

What is the error message you are getting?

[ajayaram48@gmail.com]

s.w _v.l.a.n -4- v t p _user_notification:v t p protocol user notification : version 1 device detected on g i 1/0/24  after grace period has ended 

s.w _v.l.a.n -4- v t p _user_notification:v t p protocol user notification : version 1 device detected on g i 1/0/24  after grace period has ended 

.

...

continuously getting in l-3 switch log 

[Philip D'Ath]

It sounds like you have a switch running VTP version 1 on Gi 1/0/24.  You could change that switch to using the same version as the switch reporting the error.