Code Blocks possibly installed incorrectly.

[confused_pelican]

When trying to run a simple Hello World program, my code blocks IDE displays this error message:
"xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun"
Which suggests to me that something has not installed correctly. This is on a Mac if that helps. Thanks in advance

[Commaster]

Google says you haven't installed XCode command line tools. Completely unrelated to Code::Blocks.

Something like

Code Select Expand

xcode-select --install

[BlueHazzard]

Also: what does

When trying to run a simple Hello World program, my code blocks IDE displays this error message

mean?
You try to run it with Project->run?
You try to run it with double click on the program icon?
You try to compile it?
Where does the error message pops up?
How do you have codeblocks installed?

Please provide exact steps and build logs....