Diagnosis
You set the No Notice Possible indicator.If you choose this setting,then no more rows are allowed in the period regulation.

Procedure
In order to represent waiting periods, especially from the start of thecontract onward, use the 'One-Time Period of Notice' setting. Enter theduration of the waiting period in the 'Term To' fields. Then notice isnot possible until the end of the waiting period is reached.
In the second row of the period regulation, you can either enter furtherwaiting periods, or the regular period that applies without limitationsafter the waiting period is ended. For the regular notice period, do notmake any entries in the 'Term To' fields.