>Hi,
>
>I have trapped (using Try / Catch) an error "File is not open" in the following section of the code:
>
>

>IF SELECT("V_WO_NUM") > 0 
>	SELECT V_WO_NUM
>	INDEX ON FIELD1 TAG FIELD1
>	INDEX ON FIELD2 TAG FIELD2
>	INDEX ON FIELD3 TAG FIELD3
>	INDEX ON FIELD4 TAG FIELD4
>	INDEX ON FIELD5 TAG FIELD5
>	INDEX ON FIELD6 TAG FIELD6
>	SET ORDER TO TAG FIELD3
>ENDIF 
>

>
>Before the above code the cursor V_WO_NUM is created by SQL SELECT (getting data from a VFP table).
>
>What could possible be wrong with the above (not one time but almost every other day) that it causes the problem? And I could never duplicate this error on my PC.
>
>TIA

AFAIK you can not add more than 1 index if the cursor is not created with readwrite clause. And if it is, then NOFILTER is redundant.