fix

crates/derive/src/stages/channel_reader.rs

@@ -173,7 +173,7 @@ impl BatchReader {
                 brotli_used = true;
                 self.decompressed = decompress_brotli(&data).ok()?;
             } else {
-                tracing::warn!(target: "batch-reader", "Unsupported compression type: {:x}, skipping batch", compression_type);
+                tracing::error!(target: "batch-reader", "Unsupported compression type: {:x}, skipping batch", compression_type);
                 return None;
             }
         }