FreeNAS Error when uploading files

[Douglas "Miyagi" Ota]

Hello,
i was uploading some files to my freenas server and for some reason i lost connection,
in the another day i went to work and tried to upload again, after a time everything stopped and i receive this error.

Show : Image

I made a test in the ram memory and i'm checking the HDs...

 

[SweetAndLow]

ready forum rules please, if you do this you will know we need your hardware spec and freenas version along with other information that is vital to helping you.