From 0f4ba03f3f15fe22b397ba7517a7fdbfd7e53ba4 Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Fri, 30 Aug 2019 11:07:45 +0200
Subject: [PATCH] [web] Added note about installing system packages via Conan.

---
 .../docs/devguide/troubleshooting/conan.pandoc   | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/web/content/docs/devguide/troubleshooting/conan.pandoc b/web/content/docs/devguide/troubleshooting/conan.pandoc
index 30b23fadea7..4446f1c43fd 100644
--- a/web/content/docs/devguide/troubleshooting/conan.pandoc
+++ b/web/content/docs/devguide/troubleshooting/conan.pandoc
@@ -43,6 +43,22 @@ In `~/.conan/settings.yml` it is defined which compiler versions are supported b
 
 See also: http://docs.conan.io/en/latest/faq/troubleshooting.html#error-invalid-setting
 
+### ERROR: Error in system requirements
+
+When your `cmake`-run output looks similar to this:
+
+```
+$ cmake ..
+...
+Running: sudo -A yum update -y
+sudo: no askpass program specified, try setting SUDO_ASKPASS
+...
+ERROR: Error in system requirements
+...
+```
+
+Please run `sudo -v` before your `cmake`-command. This will ask you for your password to let Conan install some system packages during the `cmake`-run.
+
 ## Something went wrong during building
 
 On Ubuntu always use the system default gcc version! Otherwise if you use a newer compiler
-- 
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