**ERROR- IN READING MEMBER PROPERTIES. CHECK DATA FORMAT CAREFULLY.

respected sir, 

I am solving a simple supported beam of span 2m. Material = concrete. UDL of 10kN/m throughout the span (2m), but i am getting an error after running analysis.

i am getting an error " **ERROR- IN READING MEMBER PROPERTIES. CHECK DATA FORMAT CAREFULLY."

i am getting this error again and again after adding all the date correctly. Please guide me to correct this error.

DATA:

1. STAAD SPACE
INPUT FILE: F:\SProV8i SS6\STAAD\Plugins\tutorial.STD
2. START JOB INFORMATION
3. ENGINEER DATE 22-MAR-18
4. END JOB INFORMATION
5. INPUT WIDTH 79
6. UNIT METER KN
7. JOINT COORDINATES
8. 1 0 0 0; 2 5 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

**ERROR- IN READING MEMBER PROPERTIES. CHECK DATA FORMAT CAREFULLY.