Olympus ZOOM 105 DLX - Manual (Page 57)

The autofoous window was blocked, such as by a
finger.
Hold the camera correctly, keeping your fingers
clear of the autofocus windows. (P. 15)
The subject was closer than the minimum working
distance to the lens (0.6 m/2 ft.).
Shoot from more than 0.6 m (2ft.) away from the
subject. (P. 23)
When using the selftimer, the shutter release button
was pressed while standing right in front of the
camera.
Do not stand in front of the camera. Press the
shutter release button while looking through the
viewfinder. (P. 38)
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