Apple - macOS Catalina doesn't allow MAMP permission to certain folders (Documents, Downloads, Desktop)
Catalina has more restrictions on system folders which we can apply an exception:
Open System Preferences -> Security and Privacy -> Privacy tab -> Full Disk Access -> Press 'Unlock to make changes' padlock
Open Finder Window -> "Go" menu -> "Go to folder" -> type "/usr/sbin/"
Drag the file "httpd" to the list inside the Full Disk Access settings.
Restart Mamp servers
I have the same issues. Updated MAMP to the latest build (5.5). Also switched the ports back to MAMP default ports (8888). That worked for me. Also checked if some diffrent server was running on port 80 lsof -nP -i4TCP:80 | grep LISTEN
but nothing seem to be using port 80. Could it be Catalina has a new security setting for this?
Same issue here.
Solution: Move your folders into another path (example: Home), don't use Documents or Download or other system folders.
enjoy