Verify error: directory missing

Arduino: 1.8.15; all libraries and boards up to date
Board: Mkr Wifi 1010
Computer: MacBook Pro (M1, 2020)
MacOS: Big Sur 11.2.3

When I try to verify my sketch I get the following error:

fork/exec /Users/gary/Library/Arduino15/packages/arduino/tools/arm-none-eabi-gcc/7-2017q4/bin/arm-none-eabi-g++: no such file or directory
Error compiling for board Arduino MKR WiFi 1010.

Looking at this path, I find that the path breaks down at the directory 7-2017q4. There is no bin directory in 7-2027q4.
I have updated everything to the latest versions, but to no avail. Any suggestions?

Hi @garywil. Please try the fix described in this Arduino Help Center article:

Let me know if you have any questions or problems.

Thanks! Deleting Packages and reinstalling the board fixed the problem!

You're welcome. I'm glad to hear it's working now. Enjoy!
Per