added a common error to CONTRIBUTE.md

This commit is contained in:
xnacly
2021-08-18 16:52:51 +02:00
parent cf735f4678
commit 7ff5718f00
+4
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@@ -12,3 +12,7 @@ npm start
```
npm test
```
#### common errors:
- db not connecting --> start mongod in a seperate terminal window