Newbox generation error

After generating the complex.gro, I used the command “editconf -f complex.gro -o newbox.gro -bt cubic -d 1.0” to define the solvation box. However, no coordinates are generated in the box.gro file (see below).
Gallium Rubidium Oxygen Manganese Argon Carbon Silicon
2279
7TYR N 1 -nan -nan -nan
7TYR H1 2 -nan -nan -nan
7TYR H2 3 -nan -nan -nan
7TYR H3 4 -nan -nan -nan
7TYR CA 5 -nan -nan -nan
7TYR HA 6 -nan -nan -nan
7TYR CB 7 -nan -nan -nan
7TYR HB1 8 -nan -nan -nan
7TYR HB2 9 -nan -nan -nan
7TYR CG 10 -nan -nan -nan
7TYR CD1 11 -nan -nan -nan
7TYR HD1 12 -nan -nan -nan
7TYR CE1 13 -nan -nan -nan
7TYR HE1 14 -nan -nan -nan
7TYR CZ 15 -nan -nan -nan
7TYR OH 16 -nan -nan -nan
7TYR HH 17 -nan -nan -nan
7TYR CD2 18 -nan -nan -nan
7TYR HD2 19 -nan -nan -nan
7TYR CE2 20 -nan -nan -nan
7TYR HE2 21 -nan -nan -nan
7TYR C 22 -nan -nan -nan
7TYR O 23 -nan -nan -nan
8ASP N 24 -nan -nan -nan
8ASP HN 25 -nan -nan -nan
8ASP CA 26 -nan -nan -nan
8ASP HA 27 -nan -nan -nan
8ASP CB 28 -nan -nan -nan
8ASP HB1 29 -nan -nan -nan
8ASP HB2 30 -nan -nan -nan
8ASP CG 31 -nan -nan -nan
8ASP OD1 32 -nan -nan -nan
8ASP OD2 33 -nan -nan -nan
8ASP C 34 -nan -nan -nan
8ASP O 35 -nan -nan -nan
9ASN N 36 -nan -nan -nan
9ASN HN 37 -nan -nan -nan
9ASN CA 38 -nan -nan -nan
9ASN HA 39 -nan -nan -nan
9ASN CB 40 -nan -nan -nan
9ASN HB1 41 -nan -nan -nan
9ASN HB2 42 -nan -nan -nan
9ASN CG 43 -nan -nan -nan
9ASN OD1 44 -nan -nan -nan
9ASN ND2 45 -nan -nan -nan
9ASN HD21 46 -nan -nan -nan
9ASN HD22 47 -nan -nan -nan
9ASN C 48 -nan -nan -nan
9ASN O 49 -nan -nan -nan
10ARG N 50 -nan -nan -nan
10ARG HN 51 -nan -nan -nan
10ARG CA 52 -nan -nan -nan
10ARG HA 53 -nan -nan -nan
10ARG CB 54 -nan -nan -nan
10ARG HB1 55 -nan -nan -nan
10ARG HB2 56 -nan -nan -nan
10ARG CG 57 -nan -nan -nan
10ARG HG1 58 -nan -nan -nan
10ARG HG2 59 -nan -nan -nan
10ARG CD 60 -nan -nan -nan
10ARG HD1 61 -nan -nan -nan
10ARG HD2 62 -nan -nan -nan
10ARG NE 63 -nan -nan -nan
10ARG HE 64 -nan -nan -nan
10ARG CZ 65 -nan -nan -nan
10ARG NH1 66 -nan -nan -nan
10ARG HH11 67 -nan -nan -nan
10ARG HH12 68 -nan -nan -nan
10ARG NH2 69 -nan -nan -nan
10ARG HH21 70 -nan -nan -nan
10ARG HH22 71 -nan -nan -nan
10ARG C 72 -nan -nan -nan
10ARG O 73 -nan -nan -nan
11GLU N 74 -nan -nan -nan
11GLU HN 75 -nan -nan -nan
11GLU CA 76 -nan -nan -nan
11GLU HA 77 -nan -nan -nan
11GLU CB 78 -nan -nan -nan
11GLU HB1 79 -nan -nan -nan
11GLU HB2 80 -nan -nan -nan
11GLU CG 81 -nan -nan -nan
11GLU HG1 82 -nan -nan -nan
11GLU HG2 83 -nan -nan -nan
11GLU CD 84 -nan -nan -nan
11GLU OE1 85 -nan -nan -nan
11GLU OE2 86 -nan -nan -nan
11GLU C 87 -nan -nan -nan
11GLU O 88 -nan -nan -nan
12ILE N 89 -nan -nan -nan
12ILE HN 90 -nan -nan -nan
12ILE CA 91 -nan -nan -nan
12ILE HA 92 -nan -nan -nan
12ILE CB 93 -nan -nan -nan
12ILE HB 94 -nan -nan -nan
12ILE CG2 95 -nan -nan -nan
12ILE HG21 96 -nan -nan -nan
12ILE HG22 97 -nan -nan -nan
12ILE HG23 98 -nan -nan -nan
12ILE CG1 99 -nan -nan -nan
12ILE HG11 100 -nan -nan -nan
12ILE HG12 101 -nan -nan -nan
12ILE CD 102 -nan -nan -nan
12ILE HD1 103 -nan -nan -nan
12ILE HD2 104 -nan -nan -nan
12ILE HD3 105 -nan -nan -nan
12ILE C 106 -nan -nan -nan
12ILE O 107 -nan -nan -nan
13VAL N 108 -nan -nan -nan
13VAL HN 109 -nan -nan -nan
13VAL CA 110 -nan -nan -nan
13VAL HA 111 -nan -nan -nan
13VAL CB 112 -nan -nan -nan
13VAL HB 113 -nan -nan -nan
13VAL CG1 114 -nan -nan -nan
13VAL HG11 115 -nan -nan -nan
13VAL HG12 116 -nan -nan -nan
13VAL HG13 117 -nan -nan -nan
13VAL CG2 118 -nan -nan -nan
13VAL HG21 119 -nan -nan -nan
13VAL HG22 120 -nan -nan -nan
13VAL HG23 121 -nan -nan -nan
13VAL C 122 -nan -nan -nan
13VAL O 123 -nan -nan -nan
14MET N 124 -nan -nan -nan
14MET HN 125 -nan -nan -nan
14MET CA 126 -nan -nan -nan
14MET HA 127 -nan -nan -nan
14MET CB 128 -nan -nan -nan
14MET HB1 129 -nan -nan -nan
14MET HB2 130 -nan -nan -nan
14MET CG 131 -nan -nan -nan
14MET HG1 132 -nan -nan -nan
14MET HG2 133 -nan -nan -nan
14MET SD 134 -nan -nan -nan
14MET CE 135 -nan -nan -nan
14MET HE1 136 -nan -nan -nan
14MET HE2 137 -nan -nan -nan
14MET HE3 138 -nan -nan -nan
14MET C 139 -nan -nan -nan
14MET O 140 -nan -nan -nan
15LYS N 141 -nan -nan -nan
15LYS HN 142 -nan -nan -nan
15LYS CA 143 -nan -nan -nan
15LYS HA 144 -nan -nan -nan
15LYS CB 145 -nan -nan -nan
15LYS HB1 146 -nan -nan -nan
15LYS HB2 147 -nan -nan -nan
15LYS CG 148 -nan -nan -nan
15LYS HG1 149 -nan -nan -nan
15LYS HG2 150 -nan -nan -nan
15LYS CD 151 -nan -nan -nan
15LYS HD1 152 -nan -nan -nan
15LYS HD2 153 -nan -nan -nan
15LYS CE 154 -nan -nan -nan
15LYS HE1 155 -nan -nan -nan
15LYS HE2 156 -nan -nan -nan
15LYS NZ 157 -nan -nan -nan
15LYS HZ1 158 -nan -nan -nan
15LYS HZ2 159 -nan -nan -nan
15LYS HZ3 160 -nan -nan -nan
15LYS C 161 -nan -nan -nan
15LYS O 162 -nan -nan -nan
16TYR N 163 -nan -nan -nan
16TYR HN 164 -nan -nan -nan
16TYR CA 165 -nan -nan -nan
16TYR HA 166 -nan -nan -nan
16TYR CB 167 -nan -nan -nan
16TYR HB1 168 -nan -nan -nan
16TYR HB2 169 -nan -nan -nan
16TYR CG 170 -nan -nan -nan
16TYR CD1 171 -nan -nan -nan
16TYR HD1 172 -nan -nan -nan
16TYR CE1 173 -nan -nan -nan
16TYR HE1 174 -nan -nan -nan
16TYR CZ 175 -nan -nan -nan
16TYR OH 176 -nan -nan -nan
16TYR HH 177 -nan -nan -nan
16TYR CD2 178 -nan -nan -nan
16TYR HD2 179 -nan -nan -nan
16TYR CE2 180 -nan -nan -nan
16TYR HE2 181 -nan -nan -nan
16TYR C 182 -nan -nan -nan
16TYR O 183 -nan -nan -nan
17ILE N 184 -nan -nan -nan
17ILE HN 185 -nan -nan -nan
17ILE CA 186 -nan -nan -nan
17ILE HA 187 -nan -nan -nan
17ILE CB 188 -nan -nan -nan
17ILE HB 189 -nan -nan -nan
17ILE CG2 190 -nan -nan -nan
17ILE HG21 191 -nan -nan -nan
17ILE HG22 192 -nan -nan -nan
17ILE HG23 193 -nan -nan -nan
17ILE CG1 194 -nan -nan -nan
17ILE HG11 195 -nan -nan -nan
17ILE HG12 196 -nan -nan -nan
17ILE CD 197 -nan -nan -nan
17ILE HD1 198 -nan -nan -nan
17ILE HD2 199 -nan -nan -nan
17ILE HD3 200 -nan -nan -nan
17ILE C 201 -nan -nan -nan
17ILE O 202 -nan -nan -nan
18HIS N 203 -nan -nan -nan
18HIS HN 204 -nan -nan -nan
18HIS CA 205 -nan -nan -nan
18HIS HA 206 -nan -nan -nan
18HIS CB 207 -nan -nan -nan
18HIS HB1 208 -nan -nan -nan
18HIS HB2 209 -nan -nan -nan
18HIS ND1 210 -nan -nan -nan
18HIS CG 211 -nan -nan -nan
18HIS CE1 212 -nan -nan -nan
18HIS HE1 213 -nan -nan -nan
18HIS NE2 214 -nan -nan -nan
18HIS HE2 215 -nan -nan -nan
18HIS CD2 216 -nan -nan -nan
18HIS HD2 217 -nan -nan -nan
18HIS C 218 -nan -nan -nan
18HIS O 219 -nan -nan -nan
19TYR N 220 -nan -nan -nan
19TYR HN 221 -nan -nan -nan
(..)
6.63523 6.63523 6.63523

What could be the reason for this error?

Thank you in advance!

Hi,
Which GROMACS version are you using?
You could check how complex.gro looks like?
\Alessandra