>>What kind of error Tableupdate(.T., .T.) could generate and why?
>>
>>Thanks, Mark
>
>TableUpdate() can fail for several reasons; the most relevant are:
>
>

Another user made changes while the current user was editing (not applicable with the syntax you provided).
>

Field rule or table rule is violated.
>

Trigger is violated. This includes RI.
>

Index uniqueness is violated.
>
>Use aerror() to get the number and message for the actual error.
>
>HTH, Hilmar.

Actual error message is "Record is in use by another user". So my question is what does that mean exactly. Has Tableupdate() encountered a record that has been modified by another user on the network? or that record is just locked by another user?