FCS error on CCR1016-12G

Hy guys i have a RB411U linked with a CCR1016-12G, i lost acess to RB411 after many fcs errors on CCR.
When i plugged the cabe out the link light stays on.
I reboot the CCR and link go ok.
Both equipments are 6.10.

All other ports on CCR are used and have no problems.
The RB411 has no errors on log
Thanks for the help and sorry by my english
FCS ERROR.JPG