Because "fix" is broad, you need to match the part to the symptom. The most common replacement parts for the Covadis 171H are:
Ensuring stable performance on newer versions of AutoCAD (e.g., AutoCAD 2021-2025) and BricsCAD. Topography & Modeling: Fixing errors in Digital Terrain Model (DTM) covadis 171h fix
There is no "paper" in the sense of a scientific journal or general publication for this specific fix. Typically, such "fixes" are provided as or hotfixes directly by the software developer, Geomedia. Where to Find Official Support Because "fix" is broad, you need to match
Common error message: "Erreur 171H : Opération non autorisée – Vérifiez les droits d’accès ou l’intégrité des données." Because "fix" is broad