Troubleshooting Guide#

Troubleshooting Guide#

Common problems and solutions for pychum.

Installation#

Problem: “ModuleNotFoundError: No module named ‘pychum’”#

**Solution:**

pip install pychum

Input Generation#

Problem: “Template not found”#

**Cause:** Jinja2 template missing.

**Solution:**

# Reinstall pychum
pip install --force-reinstall pychum

Problem: “Invalid TOML configuration”#

**Cause:** TOML syntax error.

**Solution:**

# Validate TOML
python -c "import tomllib; tomllib.load(open('input.toml', 'rb'))"

ORCA Input#

Problem: “ORCA input file not generated”#

**Cause:** Missing required fields in TOML.

**Solution:** Check TOML has required fields:

[orca]
method = "B3LYP"
basis = "def2-SVP"

Getting Help#