Are you trying to your game to this specific version for a particular mod, or Arena Overhaul - Mount & Blade II: Bannerlord - Nexus Mods
: Notable fixes in this branch included resolved armor clipping issues and improved AI spawning locations in settlements. Current Game Status File: Mount.&.Blade.II.Bannerlord.v1.5.7.259658...
As of , the game has advanced significantly past the 1.5.x versions. The current mainline and beta versions are well into the v1.2.x and higher cycles (following the game's full release), with modding tools like the Bannerlord Software Extender (BLSE) now supporting much newer builds. Are you trying to your game to this
: This version was part of a major update cycle that introduced several visual and gameplay improvements, including new Sturgian and Battanian armors and terrain enhancements. File: Mount.&.Blade.II.Bannerlord.v1.5.7.259658...