The answer to this question could be one of a thousand ...<br><br>You need more info in order to debug this. Your problem could be any one of these (or other) examples :<br><br>* file locking (the file is being used by another user/app at the same time and is locked for exclusive use), <br>* the file is not in the correct directory (or even has the wrong name),<br>* the user account under which the pgm is running does not have adequate network rights to the directory/file in question,<br>* or very simply, the program could have a logic error in it (failing to find necessary records, bad program structure, etc).<br><br>Can you give any more details about your problem? Have you tried debugging the program?