html compressed code is stuck and cannot expand anymore

[Federico33155403aie2]

in a code view of dreamviewer i've compressed parts of code with the small triagles on the left.

now they are stuck as compressed and don't expand anymore

[Jon Fritz]

A few things to try, given the limited info provided...

--quick fixes that might do the trick--
1. Close and reopen DW
2. Restart the computer
3. Restore Preferences in DW: https://helpx.adobe.com/dreamweaver/kb/restore-preferences-dreamweaver.html

--more extreme cases--
4. Uninstall/Reinstall DW: https://helpx.adobe.com/creative-cloud/help/uninstall-creative-cloud-desktop-app.html
5. Run the Creative Cloud Cleaner Tool: https://helpx.adobe.com/creative-cloud/kb/cc-cleaner-tool-installation-problems.html 

[Nancy OShea]

Collapsed code is a UI thing, not a code thing.

Are you certain you're clicking on the actual triangles?  They are quite small. I sometimes have to click them more than once.

Alternatively, go to the Common Toolbar and click the icon to Expand All.

Hope that helps.