This error is generated user tries to update (edit) record without
specifying the vale for every database field defined in WB_UID variable.
Executing update command is possible
only if all fields defined in WB_UID have value in WBF_Fields.
E.g.
If
wb_uid=Fname,Lname
then WBF_Fname and WBF_Lname must not be
empty.