diff --git a/rowers/dataroutines.py b/rowers/dataroutines.py
index c5acc04d..8ad8d38a 100644
--- a/rowers/dataroutines.py
+++ b/rowers/dataroutines.py
@@ -1520,7 +1520,18 @@ def read_data(columns, ids=[], doclean=True, workstrokesonly=True, debug=False,
 
     for id, f in zip(ids, csvfilenames):
         if os.path.isfile(f):
-            df = pl.scan_parquet(f)
+            try:
+                df = pl.scan_parquet(f)
+            except ComputeError:
+                rowdata, row = getrowdata(id=id)
+                try:
+                    shutil.rmtree(f)
+                except:
+                    pass
+                if rowdata and len(rowdata.df):
+                    _ = dataplep(rowdata.df, id=id,
+                                 bands=True, otwpower=True, barchart=True,polars=True)
+                    df = pl.scan_parquet(f)
             if startenddict:
                 try:
                     startsecond, endsecond = startenddict[id]