Ensure you have a "clean" installation of S.T.A.L.K.E.R. Anomaly 1.5.1 with no other mods active.
Copy the contents of the "Modpack" folder into your main Anomaly directory, choosing "Yes" to overwrite all files. Modpack By LegatRezedent для Stalker Anomaly 1.5.1
Trading is simplified; most traders now buy equipment in conditions as low as 30%, with Sidorovich accepting items at 20% and the "Junkman" buying almost anything at night. Ensure you have a "clean" installation of S