improve error message

h2/src/main/org/h2/engine/Database.java

@@ -615,7 +615,7 @@ public class Database implements DataHandler {
                         !persistent) {
                     throw DbException.getUnsupportedException(
                             "autoServerMode && (readOnly || fileLockMethod == NO" +
-                            " || fileLockMethod == SERIALIZED || inMemory)");
+                            " || fileLockMethod == SERIALIZED || fileLockMethod == FS || inMemory)");
                 }
             }
             String lockFileName = databaseName + Constants.SUFFIX_LOCK_FILE;