TUFLOW Message 2010
ERROR 2010 - Material ID must be greater than 0 or less than 32767.
2D cell has been assigned a material ID (integer) of less than one (1) or greater than 32,767. Material IDs must be within this range. The most common reason for this is using a material value hasn't been specified, in this case the MapInfo default integer of zero (0) is applied.
Specify a valid material ID.
Values that occur when no material ID has been specified, can be selected in MapInfo using Query >> Select
Select from: Desired 2d_mat table
That Satisfy : Material = 0
This should select any 0 or unspecified material IDs.