Updated FAQ (markdown)

FAQ.md

@@ -68,8 +68,18 @@ Please open an issue or message me on Discord to resolve your issue. Most of the
 <details>
 <summary>Still having connection issues/connection dropping: what more can i check?</summary>
 
+Try disabling "Emulate Alexa device" in Sync settings before entering your home Wifi credentials.
 Check whether mDNS is on or off and toggle it: does it make a difference? Same for 'NTP'. Same for 'Sync Send'. Check your router: is your 2.4Ghz on band 1: if not, try it please. If you have the possibility to try another 8266, please try it.</details>
 
+## Compilation issues
+
+<details>
+<summary>When compiling WLED in VS Code using platformio, I get an error.</summary>
+
+Try building again. If the error says wled00.ino.cpp could not be found or it is a database error, this often helps.
+You can also try [this](https://github.com/Aircoookie/WLED/issues/361#issuecomment-557818554)!
+</details>
+
 ## LED issues
 
 <details>