diff --git a/correction.py b/correction.py
index d8d8598..ec56a1c 100644
--- a/correction.py
+++ b/correction.py
@@ -511,11 +511,13 @@ Here is a list of all possible labels. You need to answer with a list one of the
 
         tprint(f"\tHandling additional-answer for {pid} {label}")
         keep_error = False
+        error = "al:"
         for add_label in add_labels:
             if add_label == label:
                 continue
             if add_label not in all_labels:
-                tprint(f"\t\t Inexistent label from additional-answer processing {pid} {label}. Ignoring")
+                tprint(f"\t\t Inexistent label ({add_label}) from additional-answer processing {pid} {label}. Ignoring")
+                error += f"{add_label}??"
                 keep_error = True
                 continue
             new_pdf_path = Path(INPUT_DIR) / f"Copie{pid}" / f"{add_label}.pdf"
@@ -530,11 +532,13 @@ Here is a list of all possible labels. You need to answer with a list one of the
                                   add_label, False))
             else:
                 keep_error = True
+                error += f"{add_label}"
                 tprint(f"\t\tAlready present (not copied) Copie{pid} : {label} -> {add_label}")
 
-
         if not keep_error:
             res["error"] = ""
+        else:
+            res["error"] = error
 
     return new_tasks
 
@@ -585,6 +589,9 @@ def process_single_task(task_tuple):
                 yming, ymaxg, width_r = d_data[pid]
 
                 pdf_path = Path(INPUT_DIR) / f"Copie{pid}" / f"{label}.pdf"
+                if !can_spawn_tasks and res["error"] == "additional-answer":
+                    tprint("\tSwallowing an additional-answer from a subsequent task.")
+                    res["error"]= ""
                 if res["error"] != "":
                     tprint("\tError :", res["error"], "for Copie", pid, group_name)