how can i solve this error please?
sh: 1: react-scripts: not found
Jul 7 05:40:10 PM npm ERR! code ELIFECYCLE
Jul 7 05:40:10 PM npm ERR! syscall spawn
Jul 7 05:40:10 PM npm ERR! file sh
Jul 7 05:40:10 PM npm ERR! errno ENOENT
Jul 7 05:40:10 PM npm ERR! portfolio_smartrove@0.1.0 build: react-scripts build
Jul 7 05:40:10 PM npm ERR! spawn ENOENT
Jul 7 05:40:10 PM npm ERR!
Jul 7 05:40:10 PM npm ERR! Failed at the portfolio_smartrove@0.1.0 build script.
Jul 7 05:40:10 PM npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
Jul 7 05:40:10 PM
Jul 7 05:40:10 PM npm ERR! A complete log of this run can be found in:
Jul 7 05:40:10 PM npm ERR! /opt/render/.cache/_logs/2023-07-07T16_40_10_412Z-debug.log
Jul 7 05:40:10 PM ==> Build failed 