■ You tried to pass an incorrect number of arguments to an event procedure. For example: ┌─Wrong────────────────────────────────────────────────┐ │ SUB Form_Click (Index AS INTEGER) │ └──────────────────────────────────────────────────────┘ ┌─Right────────────────────────────────────────────────┐ │ SUB Form_Click () ' No arguments are passed │ └──────────────────────────────────────────────────────┘ ■ Possible solution: • Check the event procedure's Help topic for a list of valid arguments and change the reference as required. ■ If you need additional help, move the cursor to a keyword and press F1 to open the Help window.