When cPanel WHM v998 suddenly reports “Full Nulled” , it feels like the control panel has hit a brick wall. Below is a step‑by‑step guide that turns this frustrating glitch into a solvable puzzle—complete with the why, the what, and the how. 1. What “Full Nulled” Actually Means | Symptom | Underlying Cause | Typical Trigger | |---------|------------------|-----------------| | “Full Nulled” message in WHM → All license‑related fields are empty | The license file on the server has been corrupted or overwritten with zeros (null bytes). | An incomplete update, a failed license renewal, or a mis‑configured backup restore. |