Boot Media Warning in FAS 3140 while running boot_diags

While running boot_diag I am getting below mention error

OADER-B> boot_diags

Loading x86_64/diag/diag.krn:...0x200000/12601104 0xe04710/4664360 0x1277338/8 Entry at 0x00202018

Starting program at 0x00202018

Copyright (c) 1992-2009 NetApp.

init mca for BSP

************************************************

* Boot Media Warning!                          *

*                                              *

* The currently installed boot media has an    *

* Unsupported/untested FAT file system format.  *

* Re-format it using ONTAP as soon as possible *

Solution:

The issue with CF boot image, reflash with proper boot  image or replaces CF Card.