Hi, I wrote a little VBA program to extract information from a block and add it to a MySQL database. Everything works fine except when I call my app with this line : (vl-vbarun "module1.recolte") and then click "Cancel" in my app which execute only one line of code : Private Sub cancelButton_Click() End End Sub I get this error in the command window of AutoCAD : Command: Execution error Anybody can help ?