平衡电荷步骤报错

ZihanJin

各位老师好，请问在运行平衡电荷步骤时遇到下面的报错应该怎么解决，试了增大盒子无法解决，不知道还有什么办法了，麻烦老师指导一下。
Reading file ions.tpr, VERSION 2020.6-MODIFIED (single precision)
Reading file ions.tpr, VERSION 2020.6-MODIFIED (single precision)
Will try to add 41 NA ions and 0 CL ions.
Select a continuous group of solvent molecules
Group     0 (         System) has 353905 elements
Group     1 (        Protein) has 21352 elements
Group     2 (      Protein-H) has 10687 elements
Group     3 (        C-alpha) has  1307 elements
Group     4 (       Backbone) has  3921 elements
Group     5 (      MainChain) has  5229 elements
Group     6 (   MainChain+Cb) has  6478 elements
Group     7 (    MainChain+H) has  6489 elements
Group     8 (      SideChain) has 14863 elements
Group     9 (    SideChain-H) has  5458 elements
Group    10 (    Prot-Masses) has 21352 elements
Group    11 (    non-Protein) has 332553 elements
Group    12 (            RNA) has  1440 elements
Group    13 (            MOL) has   666 elements
Group    14 (          Other) has   666 elements
Group    15 (            MOL) has   666 elements
Group    16 (          Water) has 330447 elements
Group    17 (            SOL) has 330447 elements
Group    18 (      non-Water) has 23458 elements
Select a group: 15
Selected 15: 'MOL'
Number of (666-atomic) solvent molecules: 1

-------------------------------------------------------
Program:     gmx genion, version 2020.6-MODIFIED
Source file: src\gromacs\gmxpreprocess\genion.cpp (line 614)

Fatal error:
Not enough solvent for adding ions

For more information and tips for troubleshooting, please check the GROMACS
website at http://www.gromacs.org/Documentation/Errors
-------------------------------------------------------

sobereva

描述要准确，说清楚当前运行的是gmx genion命令。上传结构文件、贴出来运行的具体命令

ZihanJin

好的老师。我的当前运行的命令是gmx genion -s ions.tpr -o solv_ions.gro -p topol.top -pname NA -nname CL -neutral，由于文件过大，我删除了一部分。