Regarding Staad Foundation Advance

Hello,

Kindly provide me solution for design of isolated footing with all check (including sliding and overturning).

Whenever i m going to design the warning appear shown below.


15:29:46
[INFO] END OF DESIGN FOR NODE NUMBER 25

15:30:48
[INFO] PROCESSING LOAD CASE 5 WITH LENGTH = 0.0000, WIDTH = 0.0000, DEPTH = 0.0000
15:30:51
NUMBER OF WARNINGS: 1, NUMBER OF ERRORS: 4


15:32:17
[INFO] PROCESSING NODE NUMBER 24
15:32:17
[INFO] PROCESSING LOAD CASE 5 WITH LENGTH = 0.0000, WIDTH = 0.0000, DEPTH = 0.0000
15:32:17
[ERROR] UNABLE TO DETERMINE A SUITABLE LENGTH/WIDTH FOR THE GIVEN LOADING. CURRENT LENGTH TRIED = 675.000 FT
15:32:18
NUMBER OF WARNINGS: 0, NUMBER OF ERRORS: 4

File Attached.mahoba bridge 46.5M FINAL12_foundation.sfa

Height of soil above footing is 12 meter.

unit weight of Soil 18 kn/m^3.