Hello, I am new to Mapinfo and in the vertical mapper feature, i get the following error when i try to input the values of X,Y and Z using rectangular grid. The error is : "File access error - 503" Could anybody please help me out thru this. Thanks in advance AMAN BOLAR ---------------------------------------------------------------------- To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]