1.8 as fallback

README.md

@@ -111,7 +111,7 @@ node server.js
 - ```server.example.net```: backend server address
 - ```_p```: backend port
 - ```_v```: backend version ([protocol id](https://wiki.vg/Protocol_version_numbers) or name with underline instead of
-  dots). ```AUTO``` is default and ``-1`` is fallback if it fails.
+  dots). ```AUTO``` is default and 1.8 is fallback if it fails.
 - ```_o```: ```t``` to force online mode in frontend, ```f``` to disable online mode in frontend. If not set, it will be
   based on backend online mode.
 - ```_u```: username to use in backend connection

src/main/kotlin/com/viaversion/aas/handler/state/Util.kt

@@ -72,7 +72,7 @@ private suspend fun autoDetectVersion(handler: MinecraftHandler, socketAddr: Ine
                 && ProtocolVersion.isRegistered(detectedProtocol.version)) {
                 handler.data.backServerVer = detectedProtocol.version
             } else {
-                handler.data.backServerVer = -1 // fallback
+                handler.data.backServerVer = 47 // fallback 1.8
             }
         } catch (e: Exception) {
             mcLogger.warn("Failed to auto-detect version for $socketAddr: $e")