Fix migration chat message not appearing

core/src/main/java/com/seibel/distanthorizons/core/api/internal/ClientApi.java

@@ -488,11 +488,11 @@ public class ClientApi
 		
 		// data migration
 		if (this.showMigrationMessageNextFrame 
-			&& this.migrationMessageShown
+			&& !this.migrationMessageShown
 			&& Config.Client.Advanced.LodBuilding.showMigrationChatWarning.get())
 		{
 			this.showMigrationMessageNextFrame  = false;
-			this.migrationMessageShown = false;
+			this.migrationMessageShown = true;
 			
 			MC.sendChatMessage("Old Distant Horizons data is being migrated.");
 			MC.sendChatMessage("During migration LODs may load slowly and DH world gen is disabled.");

core/src/main/java/com/seibel/distanthorizons/core/file/fullDatafile/FullDataSourceProviderV2.java

@@ -427,7 +427,7 @@ public class FullDataSourceProviderV2
 					catch (Exception e)
 					{
 						DhSectionPos migrationPos = legacyDataSource.getPos();
-						LOGGER.error("Unexpected issue migrating data source at pos " + migrationPos + ". Error: " + e.getMessage(), e);
+						LOGGER.warn("Unexpected issue migrating data source at pos " + migrationPos + ". Error: " + e.getMessage(), e);
 						this.legacyFileHandler.markMigrationFailed(migrationPos);
 					}
 				}