Hi,
<snip> btw we delete the CDX first and then re create.

That is what is causing the error, try something like the following instead:-

CLEAR
SET status bar on
SET ANSI ON
SET EXACT ON 
SET TALK ON
SET SAFETY OFF 

CLEAR 

USE c:\your_directory\your_table.dbf IN 0 EXCLUSIVE
COPY STRUCTURE TO c:\your_directory\temp.dbf WITH CDX 
USE IN your_table

COPY FILE c:\your_directory\temp.cdx TO c:\your_directory\your_table.cdx

USE c:\your_directory\your_table.dbf IN 0 EXCLUSIVE

REINDEX 

BROWSE 

DELETE FILE c:\your_directory\temp.*

USE IN your_table

>Yes it does.
>btw we delete the CDX first and then re create.