diff --git a/dashboard.py b/dashboard.py
index 8e4c2d4..b5f47f6 100644
--- a/dashboard.py
+++ b/dashboard.py
@@ -27,7 +27,11 @@ class Dashboard:
                 if w.get("multi"):
                     ts_list = LTS.find(w["data"][0])
                     for ts in ts_list:
-                        tso = LTS(id=ts)
+                        try:
+                            tso = LTS(id=ts)
+                        except json.decoder.JSONDecodeError as e:
+                            log.error("%s contains bad data: %s: Skipping", ts, e)
+                            continue
                         if not tso.data:
                             log.warning("%s has no data: Skipping", tso.id)
                             continue
diff --git a/ltsdb_json.py b/ltsdb_json.py
index b123668..61dc318 100644
--- a/ltsdb_json.py
+++ b/ltsdb_json.py
@@ -41,6 +41,7 @@ class LTS:
             with open(self.filename, "x+") as fh:
                 fcntl.flock(fh, fcntl.LOCK_EX)
                 json.dump({"description": self.description, "data": self.data}, fh)
+                log.info(f"Created {self.filename}")
             self.rebuild_index()
         except json.decoder.JSONDecodeError as e:
             log.exception(f"Cannot decode JSON in {self.filename}: {e}")
@@ -130,7 +131,11 @@ class LTS:
             (_, _, hash) = fn.rpartition("/")
             with open(fn, "r") as fh:
                 fcntl.flock(fh, fcntl.LOCK_SH)
-                d = json.load(fh)
+                try:
+                    d = json.load(fh)
+                except json.decoder.JSONDecodeError as e:
+                    log.exception(f"Cannot decode JSON in {fn}: {e}")
+                    raise
             for k, v in d["description"].items():
                 d1 = index.setdefault(k, {})
                 d2 = d1.setdefault(v, [])