SAP Note 28494 - Wrong set of dates when calling up network

Symptom:

When the user calls up a network (CN22,CN23) the basic dates are displayed in the network header. However, the planning method is "forecast" and in the menu, the only set of dates which is active are the basic dates.

Cause and prerequisites

This error only occurs when the network had previously been saved with "forecast dates" and the user exited the initial screen by pressing ENTER.
Program error.

Solution
Changes to the user interface SAPLNWCU