Most likely cause
Rot at the base

How to tell
The fix
- 1Stop watering and let the soil dry out fully.
- 2Check that the pot drains.
- 3If only some roots are soft or brown, trim them and repot in fresh, dry, fast-draining mix.
More about this
They suggest conditions suitable for breeding, without proving that the surface never dries.
If the base itself is soft, the damage is more serious and recovery is uncertain. Only propagate using a method suited to this plant, not arbitrary pieces above the rot. Wear gloves before cutting or dividing. The latex can irritate skin, and every part of the plant is poisonous if swallowed. Keep cut pieces away from children and pets and wash your hands after handling.






