From ab6f20230155dce05df6b5a594d47bad3985279c Mon Sep 17 00:00:00 2001
From: paf <paf@titelfrei.de>
Date: Wed, 7 Apr 2021 17:37:11 +0200
Subject: [PATCH] fixes some a bug that made it break completely on
 booklet-error

---
 src/app/group-monitor/group-monitor.component.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/app/group-monitor/group-monitor.component.ts b/src/app/group-monitor/group-monitor.component.ts
index 1087f8e1..cd2f7ca1 100644
--- a/src/app/group-monitor/group-monitor.component.ts
+++ b/src/app/group-monitor/group-monitor.component.ts
@@ -149,7 +149,7 @@ export class GroupMonitorComponent implements OnInit, OnDestroy {
   getSessionColor(session: TestSession): string {
     const stripes = (c1, c2) => `repeating-linear-gradient(45deg, ${c1}, ${c1} 10px, ${c2} 10px, ${c2} 20px)`;
     const hsl = (h, s, l) => `hsl(${h}, ${s}%, ${l}%)`;
-    const colorful = this.displayOptions.highlightSpecies;
+    const colorful = this.displayOptions.highlightSpecies && session.booklet.species;
     const h = colorful ? (
       session.booklet.species.length *
       session.booklet.species.charCodeAt(0) *
-- 
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