Check the Poland-Detail-Adding Team Facebook for the specific 1.46 "Fix" or "Open Beta" links, as these are often shared in post comments or pinned announcements. [REL] Poland-Detail-Adding Map - Page 15 - SCS Software
In the Mod Manager, PDA files usually need to be placed above other regional maps but below any physics or weather mods to ensure priority. Poland-Detail-Adding Map 1.46
The developers often release versions as "Open Betas," meaning minor bugs or "invisible walls" may still occur in certain areas. Where to Download Poland-Detail-Adding Map 1.46