Update apisix/plugins/file-logger.lua

Author: Baoyuantop

apisix/plugins/file-logger.lua

@@ -92,7 +92,7 @@ local function get_configured_path(conf)
         return metadata.value.path
     end
 
-    return nil, "property \"path\" is required"
+    return nil, "property \"path\" is not set in either the plugin conf or the metadata"
 end