added a common error to CONTRIBUTE.md

2021-08-18 16:52:51 +02:00 · 2021-08-18 16:52:51 +02:00 · 560e1a67e8
commit 560e1a67e8
parent a222935e51
1 changed files with 4 additions and 0 deletions
--- a/cdn/CONTRIBUTE.md
+++ b/cdn/CONTRIBUTE.md
@ -12,3 +12,7 @@ npm start
 ```
 npm test
 ```
+
+#### common errors:
+
+-   db not connecting --> start mongod in a seperate terminal window