[U-Boot-Users] Error: start address not on sector boundary

[HS8JCV]

Hi all
I complie new u-boot for Flash SST39VF3201.
It complete and can boot with u-boot.
Follow that.
boot 1.0 (Nov 25 2003 - 23:08:05)

Uncompressing image...
U-Boot 1.1.2 (Jun 25 2005 - 22:30:04)

U-Boot code: 21F00000 -> 21F16F88  BSS: -> 21F1B640
RAM Configuration:
Bank #0: 20000000 32 MB
SST: SST39VF3201 (32Mbit)
Flash:  4 MB
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
U-Boot>

after I setenv and saveenv It reponse "Error: start address not on
sector boundary".

U-Boot> setenv ethaddr 12:34:56:78:99:22
U-Boot> saveenv
Saving Environment to Flash...
Error: start address not on sector boundary

and Flash Organizations follow this code.

OrgDef OrgSST39VF3201[] =
{
	{  1,16*1024 },	/*   1 *  16 kBytes sectors */
	{  2,8*1024 },	/*   2 * 8 kBytes sectors */
	{  1,32*1024 },	/*   1 * 32 kBytes sectors */
	{ 63,64*1024 },	/*  31 * 64 kBytes sectors */
};

Why it show error.?
How to resolve this error.?

Best Regard
Supparerk