3442471 - Error: "SyntaxError: Unexpected token '??='" when deploying CAP NodeJS project to BTP

When deploying a CAP NodeJS project to BTP, the following error takes place:

SyntaxError: Unexpected token '??='

Also can be seen:

ERROR the "before-all"" build failed: could not execute the "npx -p @sap/cds-dk cds build --production" command: exit status 1

Error: could not build the MTA project ... command: exit status 2