| template | main.html |
|---|---|
| title | Q&A - Installation |
Here we describe a series of more frequent reported problems related mainly to the installation process and their possible solutions.
???+ example "I don't find amber.python executable"
#### **Solution:**
1. Make sure that you have installed `Ambertools20` and sourced the `amber.sh(zch)` file
2. If you installed `Ambertools20` from conda, use that python executable
???+ example "I get an error related to MPI when I try to install gmx_MMPBSA" If you get an error like this:
error: Cannot compile MPI programs. Check your configuration!!!
#### **Solution:**
Please try installing/reinstalling the OpenMPI library like this:
sudo apt install openmpi-bin libopenmpi-dev openssh-client
or this way
sudo apt install --reinstall openmpi-bin libopenmpi-dev openssh-client
???+ example "I don't find the gmx_MMPBSA executable"
#### **Solution:**
1. Make sure that you have installed gmx_MMPBSA ([See here][1])
2. Check if the miniconda bin folder are in the PATH ([See here][2])
3. Check if the gmx_MMPBSA application has permission to run as a program
???+ example "When I run gmx_MMPBSA I get this error ModuleNotFoundError: No module named 'parmed'"
#### **Solution:**
Please see this [issue][3] to see the solution