modedl ckpt tooltips

core/data_provider.py

@@ -1267,7 +1267,23 @@ class DataProvider:
             return df
             
         except Exception as e:
-            logger.error(f"Error generating 1s candles from ticks for {symbol}: {e}")
+            # Handle Windows-specific invalid argument (e.g., bad timestamps) gracefully
+            try:
+                import errno
+                if hasattr(e, 'errno') and e.errno == errno.EINVAL:
+                    logger.warning(f"Invalid argument while generating 1s candles for {symbol}; trimming tick buffer and falling back")
+                    try:
+                        if hasattr(self, 'cob_raw_ticks') and symbol in getattr(self, 'cob_raw_ticks', {}):
+                            buf = self.cob_raw_ticks[symbol]
+                            drop = max(1, len(buf)//2)
+                            for _ in range(drop):
+                                buf.popleft()
+                    except Exception:
+                        pass
+                else:
+                    logger.error(f"Error generating 1s candles from ticks for {symbol}: {e}")
+            except Exception:
+                logger.error(f"Error generating 1s candles from ticks for {symbol}: {e}")
             return None
     
     def _fetch_from_binance(self, symbol: str, timeframe: str, limit: int) -> Optional[pd.DataFrame]: