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0001 # Troubleshoot problems
0002
0003 ## First Steps
0004
0005
0006 1. **>>RELOAD THE PAGE<<** - Press `F5` (or `Ctrl+R` / `Cmd+R`) to
0007 refresh the browser window. Firebird is a browser application, and
0008 the first line of help is to RELOAD THE PAGE. Some config changes
0009 are taken in effect **only after manual page reload**!
0010
0011
0012 2. **Check configuration** - Firebird stores its configuration
0013 parameters in browser local storage. It might be that some parameters
0014 got out of sync, renamed or changed (especially after some time not using).
0015 Go through configs and press "Display" button. To reset/remove
0016 all parameters from your browser see P4.
0017
0018
0019 3. **Check the browser console** - Press `F12` (or `Ctrl+Shift+I` /
0020 `Cmd+Option+I`) and check the Console tab for errors and log
0021 messages. Firebird frontend keeps it as a primary logging place.
0022 We try to keep errors easy to understand.
0023
0024 > The next errors in console ARE OK and don't indicate problems:
0025 > - io.mjs:2987 Refused to get unsafe header "Content-Range"
0026 > - Warnings usually are OK, especially:
0027 > - WARNING: Multiple instances of Three.js being imported.
0028 > - \[Violation\] *Something* took XXms
0029
0030 4. **Clear browser local storage** - Open browser DevTools (`F12`), go
0031 to Application tab → Local Storage → select the site URL → click
0032 "Clear All" button, then reload the page. This clears all saved
0033 configuration and resets Firebird to default settings.
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