*** NOTE: NEITHER "MASS" NOR "GRAVITY" REFERENCE LOADTYPE IS PRESENT. MASS MODEL IS FORMED BY COMBINING ALL "DEAD" AND "LIVE" (IF ANY) REFERENCE LOADTYPES.

I hope someone could help me with this. I'm new to STAAD and I'm having trouble fixing this Note. It's not an error, but I can't get to post processing. Here

STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 01-Feb-21
JOB NAME ATEZURA PERIMETER FENCE
JOB CLIENT JOANA ATEZURA YAKUSHIJI
JOB NO 1
JOB REV 2
JOB PART 1
JOB REF 1
ENGINEER NAME SARRA
END JOB INFORMATION
INPUT WIDTH 79
UNIT METER KN
JOINT COORDINATES
1 0 0 0; 2 0 2.35 0; 3 0 3.55 0; 4 2.6 0 0; 5 2.6 2.35 0; 6 2.6 3.55 0;
7 5.2 0 0; 8 5.2 2.35 0; 9 5.2 3.55 0; 10 7.97 0 0; 11 7.97 2.35 0;
12 7.97 3.55 0; 13 10.74 0 0; 14 10.74 2.35 0; 15 10.74 3.55 0;
MEMBER INCIDENCES
1 1 2; 2 2 3; 3 4 5; 4 5 6; 5 7 8; 6 8 9; 7 10 11; 8 11 12; 9 13 14;
10 14 15; 11 1 4; 12 4 7; 13 7 10; 14 10 13; 15 2 5; 16 5 8; 17 8 11;
18 11 14;
DEFINE MATERIAL START
ISOTROPIC CONCRETE
E 2.17185e+007
POISSON 0.17
DENSITY 23.5616
ALPHA 1e-005
DAMP 0.05
TYPE CONCRETE
STRENGTH FCU 27579
ISOTROPIC CONCRETE24
E 2.1538e+007
POISSON 0.17
DENSITY 24
DAMP 0.05
G 9.28139e+006
ALPHA 1e-005
TYPE CONCRETE
STRENGTH FCU 21000
END DEFINE MATERIAL
MEMBER PROPERTY
1 TO 10 PRIS YD 0.25 ZD 0.25
15 TO 18 PRIS YD 0.15 ZD 0.2
11 TO 14 PRIS YD 0.2 ZD 0.3
CONSTANTS
MATERIAL CONCRETE24 ALL
SUPPORTS
1 4 7 10 13 FIXED
DEFINE REFERENCE LOADS
LOAD R1 LOADTYPE Dead  TITLE DL
SELFWEIGHT Y 1 LIST ALL
MEMBER LOAD
15 TO 18 UNI GY 3.3732
11 TO 14 UNI GY 7.31
END DEFINE REFERENCE LOADS
FLOOR DIAPHRAGM
DIA 1 TYPE RIG HEI 0 1 4 7 10 13
DEFINE WIND LOAD
TYPE 1 WW+Z
<! STAAD PRO GENERATED DATA DO NOT MODIFY !!!
ASCE-7-2010:PARAMS 290.000 kmph 0 1 3 0 0.000 ft 0.000 ft 0.000 ft 1 -
2 3.550 m 0.150 m 10.740 m 2.000 0.010 0 -
0 0 0 0 0.575 1.000 1.000 0.850 0 -
0 0 0 0.875 0.800 -0.180
!> END GENERATED DATA BLOCK
INT 1.71174 1.71174 HEIG  0  4.572
EXP 1 JOINT 1 TO 15
TYPE 2 WW-Z
<! STAAD PRO GENERATED DATA DO NOT MODIFY !!!
ASCE-7-2010:PARAMS 290.000 kmph 0 1 3 0 0.000 ft 0.000 ft 0.000 ft 1 -
1 3.550 m 0.150 m 10.740 m 2.000 0.010 1 -
0 0 0 0 0.575 1.000 1.000 0.850 0 -
0 0 0 0.875 -0.500 0.550
!> END GENERATED DATA BLOCK
INT -1.92048 -1.92048 HEIG  0  3.55
EXP 1 JOINT 1 TO 15
LOAD 1 LOADTYPE Dead  TITLE DL
REFERENCE LOAD
R1 -1.0 
SELFWEIGHT Y -1 LIST ALL
LOAD 2 LOADTYPE Wind  TITLE WW+Z
WIND LOAD Z 1 TYPE 1
LOAD 3 LOADTYPE Wind  TITLE WW-Z
WIND LOAD -Z -1 TYPE 2
LOAD COMB 4 Generated NSCP 2015 CONCRETE 1
1 1.4 
LOAD COMB 5 Generated NSCP 2015 CONCRETE 2
1 1.2 
LOAD COMB 6 Generated NSCP 2015 CONCRETE 3
1 1.2 2 0.5 
LOAD COMB 7 Generated NSCP 2015 CONCRETE 4
1 1.2 3 0.5 
LOAD COMB 8 Generated NSCP 2015 CONCRETE 5
1 1.2 2 1.0 
LOAD COMB 9 Generated NSCP 2015 CONCRETE 6
1 1.2 3 1.0 
LOAD COMB 10 Generated NSCP 2015 CONCRETE 7
1 0.9 2 1.0 
LOAD COMB 11 Generated NSCP 2015 CONCRETE 8
1 0.9 3 1.0 
LOAD COMB 12 Generated NSCP 2015 CONCRETE 9
1 0.9 
PERFORM ANALYSIS PRINT ALL
FINISH
 is a copy of my Analysis.