This was probably a bug which I can't reproduce this now.
My guess is that the VA is moved and now this address doesn't contain anything.
If this bug still happens, please open an issue describing it to the radare2 developers.
In the comments, I suggested that OP will open the file in write mode from the first-place and that seems to work.
$ r2 -w ...
Good news! In Cutter v1.10 (December 20, 2019) the team introduced native and remote debugger support. By default, the STDIO of the debuggee is redirected to the Console Widget inside Cutter.
Downloading the latest release
To download the recent version of Cutter you can go to the official website and click on the Download button. It will automatically ...