This usually happens if you have a plugin that requires Ppf.esm as a master, but you haven't installed Ppf.esm yet. Always check your "Masters" list in a tool like Vortex or MO2.
It should always be near the top of your load order, right after the official DLCs and the Unofficial Fallout 4 Patch (UFO4P).
Because Ppf.esm is a Master File (.esm), it must be handled with care in your load order. Fallout 4 Ppf.esm
Ppf.esm is generally compatible with everything, but it requires specific "patches" for large-scale world edits like Sim Settlements 2 or South of the Sea . Final Verdict
It serves as a centralized master that ensures different world-space edits don't conflict and cause "voids" in the map. Installation and Load Order This usually happens if you have a plugin that requires Ppf
If you see through the ground or buildings, another mod is likely overwriting the visibility data provided by Ppf.esm. Move your PRP/Previs plugins lower in your load order.
Mods like "Scrap Everything" break precombines by design. Ppf.esm helps stabilize the engine's reaction to these changes. Because Ppf
At its core, is a master file that rewrites how Fallout 4 handles "Precombined Geometry" and "Visibility" (Previs).
While Ppf.esm is the framework, the actual "fixes" usually come in the form of a PRP-Main.esp or regional plugins. Ensure Ppf.esm is loaded before any PRP-related .esp files. Common Issues and Troubleshooting