From b54a7282dec433e9bc588213e96447f39ef3eddb Mon Sep 17 00:00:00 2001
From: cfuselli <cfuselli@nikhef.nl>
Date: Tue, 12 Dec 2023 14:13:52 +0100
Subject: [PATCH] explain error

---
 amstrax/plugins/raw_records/daqreader.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/amstrax/plugins/raw_records/daqreader.py b/amstrax/plugins/raw_records/daqreader.py
index 2acf8609..e1c34cb1 100644
--- a/amstrax/plugins/raw_records/daqreader.py
+++ b/amstrax/plugins/raw_records/daqreader.py
@@ -404,6 +404,8 @@ def split_channel_ranges(records, channel_ranges):
                 n_in_detector[d_i] += 1
                 break
             else:
+                # channel_ranges should be sorted ascending.
+                print(r["time"], r["channel"], channel_ranges)
                 raise ValueError(f"Bad data from DAQ: data in unknown channel {r['channel']}")
 
     # Allocate memory