Indicates a general problem with a mnemonic.
Attempting to compile a mnemonic whose length is outside the range 2..16.
Attempting to use a specific mnemonic with a device that does not support that mnemonic.
Attempting to use the 'SETMENU' mnemonic on a window that was created without the $00000800$ (Include Default Menu Bar) flag set.
Attempting to use a Windows printer driver that does not support the PASSTHROUGH mode with the 'BO' and 'EO' mnemonics during printing.
Attempting to use the 'LISTSUSPEND' and 'LISTRESUME' mnemonics with list button controls.