Add comment about potential Iris file handling

core/src/main/java/com/seibel/distanthorizons/core/file/AbstractDataSourceHandler.java

@@ -306,7 +306,7 @@ public abstract class AbstractDataSourceHandler<TDataSource extends IDataSource<
 							AbstractDataSourceHandler.this.writeDataSourceToFile(finalDataSource);
 						}
 					}
-					catch (Exception e)
+					catch (Exception e) // this can throw errors (not exceptions) when installed in Iris' dev environment for some reason due to an issue with LZ4's compression library
 					{
 						LOGGER.error("Failed to save updated data for section ["+pos+"], error: ["+e.getMessage()+"]", e);
 					}