my model show the instability at joint 110. how to remove this waring.

Please see the attached model.

STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 20-Oct-17
END JOB INFORMATION
INPUT WIDTH 79
UNIT METER KN
JOINT COORDINATES
1 0 0 0; 2 3 0 0; 5 0 0 3; 6 3 0 3; 9 0 0 6; 10 3 0 6; 13 0 0 9; 14 3 0 9;
17 0 0 12; 18 3 0 12; 21 0 0 15; 22 3 0 15; 25 0 0 18; 26 3 0 18; 29 0 0 21;
30 3 0 21; 33 0 0 24; 34 3 0 24; 37 0 0 27; 38 3 0 27; 41 0 0 30; 42 3 0 30;
45 0 0 33; 46 3 0 33; 49 0 0 36; 50 3 0 36; 53 0 0 39; 54 3 0 39; 57 0 0 42;
58 3 0 42; 61 0 0 45; 62 3 0 45; 65 0 0 48; 66 3 0 48; 69 0 0 51; 70 3 0 51;
73 0 0 54; 74 3 0 54; 75 0 2.5 1.5; 76 3 2.5 1.5; 77 0 2.5 4.5; 78 3 2.5 4.5;
79 0 2.5 7.5; 80 3 2.5 7.5; 81 0 2.5 10.5; 82 3 2.5 10.5; 83 0 2.5 13.5;
84 3 2.5 13.5; 85 0 2.5 16.5; 86 3 2.5 16.5; 87 0 2.5 19.5; 88 3 2.5 19.5;
89 0 2.5 22.5; 90 3 2.5 22.5; 91 0 2.5 25.5; 92 3 2.5 25.5; 93 0 2.5 28.5;
94 3 2.5 28.5; 95 0 2.5 31.5; 96 3 2.5 31.5; 97 0 2.5 34.5; 98 3 2.5 34.5;
99 0 2.5 37.5; 100 3 2.5 37.5; 101 0 2.5 40.5; 102 3 2.5 40.5; 103 0 2.5 43.5;
104 3 2.5 43.5; 105 0 2.5 46.5; 106 3 2.5 46.5; 107 0 2.5 49.5; 108 3 2.5 49.5;
109 0 2.5 52.5; 110 3 2.5 52.5; 111 1.5 2.5 51; 112 1.5 2.5 3; 113 1.5 2.5 21;
114 1.5 2.5 36;
MEMBER INCIDENCES
1 1 2; 2 5 6; 3 9 10; 4 13 14; 5 17 18; 6 21 22; 7 25 26; 8 29 30; 9 33 34;
10 37 38; 11 41 42; 12 45 46; 13 49 50; 14 53 54; 15 57 58; 16 61 62; 17 65 66;
18 69 70; 19 73 74; 20 1 5; 21 2 6; 22 5 9; 23 6 10; 24 9 13; 25 10 14;
26 13 17; 27 14 18; 28 17 21; 29 18 22; 30 21 25; 31 22 26; 32 25 29; 33 26 30;
34 29 33; 35 30 34; 36 33 37; 37 34 38; 38 37 41; 39 38 42; 40 41 45; 41 42 46;
42 45 49; 43 46 50; 44 49 53; 45 50 54; 46 53 57; 47 54 58; 48 57 61; 49 58 62;
50 61 65; 51 62 66; 52 65 69; 53 66 70; 54 69 73; 55 70 74; 56 1 75; 57 75 5;
58 2 76; 59 76 6; 60 5 77; 61 77 9; 62 6 78; 63 78 10; 64 9 79; 65 79 13;
66 10 80; 67 80 14; 68 13 81; 69 81 17; 70 14 82; 71 82 18; 72 17 83; 73 83 21;
74 18 84; 75 84 22; 76 21 85; 77 85 25; 78 22 86; 79 86 26; 80 25 87; 81 87 29;
82 26 88; 83 88 30; 84 29 89; 85 89 33; 86 30 90; 87 90 34; 88 33 91; 89 91 37;
90 34 92; 91 92 38; 92 37 93; 93 93 41; 94 38 94; 95 94 42; 96 41 95; 97 95 45;
98 42 96; 99 96 46; 100 45 97; 101 97 49; 102 46 98; 103 98 50; 104 49 99;
105 99 53; 106 50 100; 107 100 54; 108 53 101; 109 101 57; 110 54 102;
111 102 58; 112 57 103; 113 103 61; 114 58 104; 115 104 62; 116 61 105;
117 105 65; 118 62 106; 119 106 66; 120 65 107; 121 107 69; 122 66 108;
123 108 70; 124 69 109; 125 109 73; 126 70 110; 127 110 74; 128 75 77;
129 76 78; 130 77 79; 131 78 80; 132 79 81; 133 80 82; 134 81 83; 135 82 84;
136 83 85; 137 84 86; 138 85 87; 139 86 88; 140 87 89; 141 88 90; 142 89 91;
143 90 92; 144 91 93; 145 92 94; 146 93 95; 147 94 96; 148 95 97; 149 96 98;
150 97 99; 151 98 100; 152 99 101; 153 100 102; 154 101 103; 155 102 104;
156 103 105; 157 104 106; 158 105 107; 159 106 108; 160 107 109; 161 108 110;
162 75 76; 163 77 78; 164 79 80; 165 81 82; 166 83 84; 167 85 86; 168 87 88;
169 89 90; 170 91 92; 171 93 94; 172 95 96; 173 97 98; 174 99 100; 175 101 102;
176 103 104; 177 105 106; 178 107 108; 179 109 110; 180 74 69; 181 69 66;
182 66 61; 183 61 58; 184 58 53; 185 53 50; 186 50 45; 187 45 42; 188 42 37;
189 37 34; 190 34 29; 191 29 26; 192 26 21; 193 21 18; 194 18 13; 195 13 10;
196 10 5; 197 5 2; 198 109 111; 199 107 111; 200 111 108; 201 111 110;
202 75 112; 203 77 112; 204 112 78; 205 112 76; 206 87 113; 207 89 113;
208 113 90; 209 113 88; 210 97 114; 211 99 114; 212 114 100; 213 114 98;
START GROUP DEFINITION
MEMBER
_FLOORBEAM 1 TO 19
_MAINBT 20 TO 55
_DIA-SIDE 56 TO 127
_TOP-BEAM 128 TO 161
_BOT-BRACE 180 TO 197
_RAFTER 162 TO 179
_TOP-BRACE 198 TO 213
END GROUP DEFINITION
DEFINE MATERIAL START
ISOTROPIC STEEL
E 2.05e+008
POISSON 0.3
DENSITY 76.8195
ALPHA 1.2e-005
DAMP 0.03
TYPE STEEL
STRENGTH FY 253200 FU 407800 RY 1.5 RT 1.2
END DEFINE MATERIAL
MEMBER PROPERTY BRITISH
1 TO 19 TABLE ST UC305X305X97
MEMBER PROPERTY AMERICAN
20 TO 55 TABLE ST W27X129
MEMBER PROPERTY CHINESE
56 TO 127 TABLE ST PIP325X7.5
MEMBER PROPERTY CHINESE
162 TO 179 TABLE ST PIP133X5.0
MEMBER PROPERTY CHINESE
198 TO 213 TABLE ST PIP133X5.0
MEMBER PROPERTY EUROPEAN
180 TO 197 TABLE ST 200X8SHS
128 TO 161 TABLE ST 500X300X20RHS
CONSTANTS
MATERIAL STEEL ALL
SUPPORTS
1 2 73 74 FIXED BUT FZ MX MY MZ
LOAD 1 LOADTYPE Dead TITLE DL
MEMBER LOAD
162 TO 179 UNI GY -3
1 TO 19 UNI GY -11.25
20 TO 55 UNI GY -13.8
SELFWEIGHT Y -1
LOAD 2 LOADTYPE Live TITLE LL
MEMBER LOAD
162 TO 179 UNI GY -1.5
1 TO 19 UNI GY -22.5
LOAD 3 LOADTYPE Wind TITLE WL
MEMBER LOAD
162 TO 179 UNI GY 3
LOAD 4 LOADTYPE None TITLE COLLISION LOAD
JOINT LOAD
37 FX 50
LOAD COMB 5 1DL+1LL
1 1.0 2 1.0
LOAD COMB 6 1.35DL+1.5LL+0.75WL
1 1.35 2 1.5 3 0.75
LOAD COMB 7 1.35DL+1.5WL+1.05LL
1 1.35 3 1.5 2 1.05
LOAD COMB 8 1.35DL+1.5LL+1.05CL
1 1.35 2 1.5 4 1.05
LOAD COMB 9 1.35DL+1.5CL+1.05LL
1 1.35 4 1.5 2 1.05
PERFORM ANALYSIS
PARAMETER 1
CODE EN 1993-1-1:2005
PY 355000 MEMB 1 TO 205
CHECK CODE MEMB _FLOORBEAM
PARAMETER 3
CODE EN 1993-1-1:2005
CHECK CODE MEMB _DIA-SIDE
PARAMETER 4
CODE EN 1993-1-1:2005
CHECK CODE MEMB _TOP-BEAM
PARAMETER 5
CODE EN 1993-1-1:2005
CHECK CODE MEMB _BOT-BRACE
PARAMETER 6
CODE EN 1993-1-1:2005
CHECK CODE MEMB _RAFTER
PARAMETER 7
CODE EN 1993-1-1:2005
CHECK CODE MEMB _TOP-BRACE
PARAMETER 8
CODE EN 1993-1-1:2005
UNL 1.5 MEMB 20 TO 55
CHECK CODE MEMB 20 TO 55
FINISH