THE MEMBER 1 CAN NOT BE DESIGNED FOR BENDING AS THIS VERSION DOES NOT SUPPORT THE SELECTED SECTION, SELECT ANOTHER TYPE OF SECTION

Why this keeps appearing, Guys?

I got the same warning for HSS Rectangle standards.
Can somebody help me please.

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  • STAAD SPACE
    START JOB INFORMATION
    ENGINEER DATE 18-Jul-23
    END JOB INFORMATION
    INPUT WIDTH 79
    UNIT METER KN
    JOINT COORDINATES
    1 0 0 0; 2 31 0 0; 3 0 0 3; 4 31 0 3; 5 2.5 0 0; 6 2.5 0 3; 7 28.5 0 0;
    8 28.5 0 3; 9 5.75 0 0; 10 5.75 0 3; 11 9 0 0; 12 9 0 3; 13 12.25 0 0;
    14 12.25 0 3; 15 15.5 0 0; 16 15.5 0 3; 17 18.75 0 0; 18 18.75 0 3; 19 22 0 0;
    20 22 0 3; 21 25.25 0 0; 22 25.25 0 3; 23 0 3 0; 24 31 3 0; 25 0 3 3;
    26 31 3 3; 27 2.5 3 0; 28 2.5 3 3; 29 28.5 3 0; 30 28.5 3 3; 31 5.75 3 0;
    32 5.75 3 3; 33 9 3 0; 34 9 3 3; 35 12.25 3 0; 36 12.25 3 3; 37 15.5 3 0;
    38 15.5 3 3; 39 18.75 3 0; 40 18.75 3 3; 41 22 3 0; 42 22 3 3; 43 25.25 3 0;
    44 25.25 3 3; 45 2.5 -0.3 0; 46 2.5 -0.3 3; 47 28.5 -0.3 0; 48 28.5 -0.3 3;
    53 2.5 -0.3 1.5; 54 28.5 -0.3 1.5; 67 2.5 -2.05 3; 68 2.5 -3.8 3;
    69 2.5 -5.55 3; 70 2.5 -2.05 0; 71 2.5 -3.8 0; 72 2.5 -5.55 0; 73 28.5 -2.05 3;
    74 28.5 -3.8 3; 75 28.5 -5.55 3; 76 28.5 -2.05 0; 77 28.5 -3.8 0;
    78 28.5 -5.55 0;
    MEMBER INCIDENCES
    1 3 6; 2 6 10; 3 10 12; 4 12 14; 5 14 16; 6 16 18; 7 18 20; 8 20 22; 9 22 8;
    10 8 4; 11 1 5; 12 5 9; 13 9 11; 14 11 13; 15 13 15; 16 15 17; 17 17 19;
    18 19 21; 19 21 7; 20 7 2; 21 1 3; 22 2 4; 23 1 23; 24 2 24; 25 3 25; 26 4 26;
    27 5 27; 28 6 28; 29 7 29; 30 8 30; 31 9 31; 32 10 32; 33 11 33; 34 12 34;
    35 13 35; 36 14 36; 37 15 37; 38 16 38; 39 17 39; 40 18 40; 41 19 41; 42 20 42;
    43 21 43; 44 22 44; 45 25 28; 46 28 32; 47 32 34; 48 34 36; 49 36 38; 50 38 40;
    51 40 42; 52 42 44; 53 44 30; 54 30 26; 55 23 27; 56 27 31; 57 31 33; 58 33 35;
    59 35 37; 60 37 39; 61 39 41; 62 41 43; 63 43 29; 64 29 24; 65 23 25; 66 24 26;
    67 16 36; 68 14 34; 69 12 32; 70 10 28; 71 6 25; 72 16 40; 73 18 42; 74 20 44;
    75 22 30; 76 9 27; 77 11 31; 78 13 33; 79 15 35; 80 15 39; 81 17 41; 82 19 43;
    83 21 29; 84 7 24; 85 5 6; 86 9 10; 87 11 12; 88 13 14; 89 15 16; 90 17 18;
    91 19 20; 92 21 22; 93 7 8; 94 27 28; 95 31 32; 96 33 34; 97 35 36; 98 37 38;
    99 39 40; 100 41 42; 101 43 44; 102 29 30; 113 5 45; 114 6 46; 115 7 47;
    116 8 48; 121 45 53; 122 47 54; 123 53 46; 124 54 48; 137 46 67; 138 67 68;
    139 68 69; 140 45 70; 141 70 71; 142 71 72; 143 48 73; 144 73 74; 145 74 75;
    146 47 76; 147 76 77; 148 77 78;
    ELEMENT INCIDENCES SHELL
    103 9 11 12 10; 104 11 13 14 12; 105 13 15 16 14; 106 15 17 18 16;
    107 17 19 20 18; 108 19 21 22 20; 109 21 7 8 22; 110 7 2 4 8; 111 3 1 5 6;
    112 6 5 9 10;
    START GROUP DEFINITION
    MEMBER
    _300X300X7 1 TO 64 85 TO 93
    _200X200X5 65 TO 84 94 TO 102
    END GROUP DEFINITION
    START USER TABLE
    TABLE 1
    UNIT METER KN
    TUBE
    300X300X7
    0.008204 0.3 0.3 0.007 0.000117451 0.000117451 0.000176076 0.0042 0.0042
    150X300X5
    0.0044 0.15 0.3 0.005 1.80617e-05 5.29617e-05 4.15841e-05 0.0015 0.003
    200X200X5
    0.0039 0.2 0.2 0.005 2.47325e-05 2.47325e-05 3.70744e-05 0.002 0.002
    300X200X5
    0.0049 0.3 0.2 0.005 6.38408e-05 3.42408e-05 6.75332e-05 0.003 0.002
    250X250X5
    0.0049 0.25 0.25 0.005 4.90409e-05 4.90409e-05 7.35306e-05 0.0025 0.0025
    300X250X5
    0.0054 0.3 0.25 0.005 7.472e-05 5.6545e-05 9.67347e-05 0.003 0.0025
    150X150X5
    0.0029 0.15 0.15 0.005 1.01742e-05 1.01742e-05 1.52431e-05 0.0015 0.0015
    END
    ELEMENT PROPERTY
    103 TO 112 THICKNESS 0.15
    DEFINE MATERIAL START
    ISOTROPIC STEEL_36_KSI
    E 1.99947e+08
    POISSON 0.3
    DENSITY 76.8191
    ALPHA 6.5e-06
    DAMP 0.03
    G 7.7221e+07
    TYPE STEEL
    STRENGTH FY 248210 FU 399894 RY 1.5 RT 1.2
    ISOTROPIC STEEL
    E 1.99947e+08
    POISSON 0.3
    DENSITY 76.8191
    ALPHA 6.5e-06
    DAMP 0.03
    G 7.7221e+07
    TYPE STEEL
    STRENGTH RY 1.5 RT 1.2
    ISOTROPIC CONCRETE
    E 2.17184e+07
    POISSON 0.17
    DENSITY 23.5615
    ALPHA 5.5e-06
    DAMP 0.05
    G 9.28137e+06
    TYPE CONCRETE
    STRENGTH FCU 27578.9
    END DEFINE MATERIAL
    MEMBER PROPERTY
    121 TO 124 137 TO 148 PRIS YD 0.6 ZD 0.6
    MEMBER PROPERTY
    113 TO 116 PRIS AX 0.16 IX 300 IY 300 IZ 300
    MEMBER PROPERTY AMERICAN
    1 TO 20 23 TO 64 TABLE ST HSST12X12X0.5
    65 TO 84 94 TO 102 TABLE ST HSST8X8X0.188
    21 22 85 TO 93 TABLE ST HSST12X8X0.188
    CONSTANTS
    MATERIAL STEEL_36_KSI MEMB 1 TO 102
    MATERIAL CONCRETE MEMB 103 TO 116 121 TO 124 137 TO 148
    SUPPORTS
    69 72 75 78 FIXED
    MEMBER RELEASE
    1 TO 102 START MP 0.99
    1 TO 102 END MP 0.99
    CUT OFF MODE SHAPE 75
    LOAD 1 LOADTYPE None TITLE DC
    SELFWEIGHT Y -1.1
    MEMBER LOAD
    1 TO 20 UNI GY -0.27
    JOINT LOAD
    5 8 FX 0.747 FY -1.381 FZ -0.008
    1 4 FX 0.004 FY -1.541 FZ -0.72
    LOAD 2 LOADTYPE None TITLE PL
    ELEMENT LOAD
    103 TO 112 PR GY -3.6
    JOINT LOAD
    5 8 FX 4.347 FY -8.802 FZ -0.047
    1 4 FX 0.746 FY -1.381 FZ -0.008
    LOAD 3 LOADTYPE None TITLE WS ALONG X
    MEMBER LOAD
    21 65 UNI GX 4.4
    22 66 UNI GX 2.2
    LOAD 4 LOADTYPE None TITLE WS ALONG Z
    MEMBER LOAD
    11 TO 20 55 TO 64 UNI GZ 4.4
    1 TO 10 45 TO 54 UNI GZ 2.2
    LOAD 5 LOADTYPE None TITLE EQX
    SELFWEIGHT X 1
    SELFWEIGHT Y 1
    SELFWEIGHT Z 1
    SPECTRUM CQC X 1 ACC SCALE 9.81 DAMP 0.05 LIN
    0 0.53; 0.12 1.08; 0.6 1.08; 1 0.64; 2 0.32; 3 0.21; 4 0.16; 5 0.13;
    LOAD 6 LOADTYPE None TITLE EQZ
    SELFWEIGHT X 1
    SELFWEIGHT Y 1
    SELFWEIGHT Z 1
    SPECTRUM CQC Z 1 ACC SCALE 9.81 DAMP 0.05 LIN
    0 0.53; 0.12 1.08; 0.6 1.08; 1 0.64; 2 0.32; 3 0.21; 4 0.16; 5 0.13;
    LOAD COMB 7 1.25DC+1.75PL
    1 1.25 2 1.75
    LOAD COMB 8 1.25DC+1.40WSX
    1 1.25 3 1.4
    LOAD COMB 9 1.25DC+1.40WSZ
    1 1.25 4 1.4
    LOAD COMB 10 1.25DC+0.50PL+1.00EQX+0.30EQZ
    1 1.25 2 0.5 5 1.0 6 0.3
    LOAD COMB 11 1.25DC+0.50PL+0.30EQX+1.00EQZ
    1 1.25 2 0.5 5 0.3 6 1.0
    LOAD COMB 12 1DC+1PL+0.30WSX
    1 1.0 2 1.0 3 0.3
    LOAD COMB 13 1DC+1PL+0.30WSZ
    1 1.0 2 1.0 4 0.3
    PERFORM ANALYSIS
    DEFINE ENVELOPE
    7 TO 11 ENVELOPE 1 TYPE STRENGTH
    12 13 ENVELOPE 2 TYPE SERVICEABILITY
    END DEFINE ENVELOPE
    PARAMETER 1
    CODE AASHTO LRFD
    RATIO 1 MEMB 1 TO 20 23 TO 64
    PARAMETER 2
    CODE AASHTO LRFD
    SELECT MEMB 1 TO 20 23 TO 64
    PARAMETER 3
    CODE AASHTO LRFD
    GROUP AX MEMB 1 TO 20 23 TO 64
    PERFORM ANALYSIS
    LOAD LIST ENV 1
    PARAMETER 4
    CODE AASHTO LRFD
    DFF 1000 MEMB 1 TO 20
    DJ1 1 MEMB 11 TO 20
    DJ2 2 MEMB 11 TO 20
    DJ1 3 MEMB 1 TO 10
    DJ2 4 MEMB 1 TO 10
    CHECK CODE MEMB 1 TO 20
    FINISH

  • You might want to check it again. The first std was using UPT TABLE. The second on eis using the HSS Rectangle coming from the section database