Migrate from cake 3.10.1 to 4.x [ERROR] Could not process | Child process timed out after 120 seconds". On line: 108

[pragnesh-lspl]

280/771 [▓▓▓▓▓▓▓▓▓▓░░░░ [ERROR] Could not process

520/771 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░░░░░░░░░░] 67% "/var/www/html/upgrade/vendor/rector/rector/vendor/symplify/easy-parall el/src/ValueObject/ParallelProcess.php" file, due to:

711/771 [▓▓▓▓▓▓▓▓▓▓▓▓� "Child process timed out after 120 seconds". On line: 108

751/771 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░] 97%

[ERROR] Could not process some files, due to:
"Reached system errors count limit of 50, exiting...".

I have used: bin/cake upgrade /app_path. 
Is there a solution for this?