[gmx-users] Problems with g_membed tools

[LindaSong]

 Hello all,
I want to use g_membed to insert a protein in POPC. I followed the manual steps. I used the grompp to generate the tpr file. It works well. But when I handed this tpr file to g_membed, it returned this:
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Program g_membed, VERSION 4.5.3
Source code file: gmx_membed.c, line: 688

Fatal error:
Trying to remove more lipid molecules than there are in the membrane
-------------------------------------------------------
Why it tries to remove more lipid molecules than there are in the membrane?
The membrane has 256 lipid molecules. I used PyMol to see the structure of the protein with POPC. The lipids cover the whole protein.
I don't know what's wrong here.
Please help me.
Thank you!

Linda
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