TUFLOW Message 1428
TUFLOW Message 
ERROR 1428 - Period Failure not defined for DF channel: <>.
Alternate Message 
ERROR 1428 - Period Collapse not defined for DF channel: <>.
ERROR 1428 - Bottom width calculated from breach depth "<>", width "<>" and side slope "<>" is less than zero for DF channel: <>.
ERROR 1428 - Initial bottom width calculated from initial breach depth "<>", initial width "<>," and side slope "<>," is less than zero for DF channel: <>.
ERROR 1428 - Collapsed bottom width calculated from collapsed breach depth "<>", collapsed width "<>" and side slope "<>" is less than zero for DF channel: <>.
WARNING 1428 - Weir type other than ""WW"" is used for the failed part of DF channel. Side Slope is not applied."
Description 
Suggestions 
Check parameters and adjust if required.
| Up | 
|---|
|  1xxx Messages |