Error : Steel grade is unreasonalbe

Dear Sir,

I have one error message as above, please see to below commands and correct me.

I am the beginner of Staad Pro, so help me to correct me and explain why happen this???

1. STAAD SPACE
INPUT FILE: C:\Users\user\Desktop\Staad Pro Tutorial\Day4.STD
2. START JOB INFORMATION
3. ENGINEER DATE 24-JUN-17
4. END JOB INFORMATION
5. INPUT WIDTH 79
6. UNIT METER KN
7. JOINT COORDINATES
8. 1 0 0 0; 2 4 0 0
9. MEMBER INCIDENCES
10. 1 1 2
11. DEFINE MATERIAL START
12. ISOTROPIC CONCRETE
13. E 2.17185E+007
14. POISSON 0.17
15. DENSITY 23.5616
16. ALPHA 1E-005
17. DAMP 0.05
18. TYPE CONCRETE
19. STRENGTH FCU 27579
20. END DEFINE MATERIAL
21. MEMBER PROPERTY
22. 1 PRIS YD 0.3 ZD 0.3
23. CONSTANTS
24. MATERIAL CONCRETE ALL
25. SUPPORTS
26. 1 2 FIXED
27. LOAD 1 LOADTYPE DEAD TITLE DEAD

**WARNING** - ALL DEGREES OF FREEDOM FIXED.
STAAD WILL INFINITESIMALLY RELEASE MOMENT-X AT FIRST JOINT ENTERED.

28. SELFWEIGHT Y -1 LIST ALL
29. MEMBER LOAD
30. 1 UNI GY -16.5
31. PERFORM ANALYSIS
STAAD SPACE -- PAGE NO. 2




P R O B L E M S T A T I S T I C S
-----------------------------------

NUMBER OF JOINTS 2 NUMBER OF MEMBERS 1
NUMBER OF PLATES 0 NUMBER OF SOLIDS 0
NUMBER OF SURFACES 0 NUMBER OF SUPPORTS 2

SOLVER USED IS THE OUT-OF-CORE BASIC SOLVER

ORIGINAL/FINAL BAND-WIDTH= 1/ 1/ 1 DOF
TOTAL PRIMARY LOAD CASES = 1, TOTAL DEGREES OF FREEDOM = 1
TOTAL LOAD COMBINATION CASES = 0 SO FAR.
SIZE OF STIFFNESS MATRIX = 0 DOUBLE KILO-WORDS
REQRD/AVAIL. DISK SPACE = 12.0/ 872742.1 MB



32. START CONCRETE DESIGN
33. CODE INDIAN
34. CLEAR 0.025 ALL
35. FC 20000 ALL
36. FYMAIN 41500 ALL
37. DESIGN BEAM 1
STAAD SPACE -- PAGE NO. 3


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IS 456 - 2000 B E A M D E S I G N R E S U L T S
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*** ERROR : GRADE OF STEEL SEEMS UNREASONABLE. PLEASE CHECK WHETHER INPUT UNIT
IS IN NEW MMS FOR MEMBER # 1

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