CakePHP 3.8.10 to 4.x upgrade error

Need Help
1

Hi!

I want to upgrade the CakePHP framework behind our project. Currently we are using the 3.8.10 version.
I did all the steps to complete the process described here: https://book.cakephp.org/4/en/appendices/4-0-upgrade-guide.html
(I have no, errors, warnings or notices in my code)
All the steps worked just fine but the last.

After i run the following command:

php composer.phar require --update-with-dependencies “cakephp/cakephp:4.0.*”

I receive the following error message:

Problem 1
- cakephp/bake 1.12.0 requires cakephp/cakephp ^3.8.0 -> satisfiable by cakephp/cakephp[3.8.0, 3.8.0-RC1, 3.8.0-RC2, 3.8.0-RC3, 3.8.0-beta1, 3.8.1, 3.8.10, 3.8.2, 3.8.3, 3.8.4, 3.8.5, 3.8.6, 3.8.7, 3.8.8, 3.8.9, 3.x-dev] but these conflict with your requirements or minimum-stability.
- cakephp/bake 1.12.0 requires cakephp/cakephp ^3.8.0 -> satisfiable by cakephp/cakephp[3.8.0, 3.8.0-RC1, 3.8.0-RC2, 3.8.0-RC3, 3.8.0-beta1, 3.8.1, 3.8.10, 3.8.2, 3.8.3, 3.8.4, 3.8.5, 3.8.6, 3.8.7, 3.8.8, 3.8.9, 3.x-dev] but these conflict with your requirements or minimum-stability.
- cakephp/bake 1.12.0 requires cakephp/cakephp ^3.8.0 -> satisfiable by cakephp/cakephp[3.8.0, 3.8.0-RC1, 3.8.0-RC2, 3.8.0-RC3, 3.8.0-beta1, 3.8.1, 3.8.10, 3.8.2, 3.8.3, 3.8.4, 3.8.5, 3.8.6, 3.8.7, 3.8.8, 3.8.9, 3.x-dev] but these conflict with your requirements or minimum-stability.
- Installation request for cakephp/bake (locked at 1.12.0, required as ^1.9.0) -> satisfiable by cakephp/bake[1.12.0].

Can you help me identify the problem? What am I doing wrong?

2

https://getcomposer.org/doc/articles/versions.md#caret-version-range-

^3.8.0 means anything past 3.8.0, but not including 4.x. Ask composer to upgrade both CakePHP and Bake?

3

Okey, but how do i do that? Why does that not listed in the upgrade guide? I followed the exact steps listed there? If they are not working, whats the correct way to do it?
Can you give me a step-by-step guide to do it?:slight_smile:

4

I’m no expert on composer, bake, or v4. If the upgrade guide is wrong, maybe raise an issue on that in the github documentation repository?

5

Did you update your app’s composer file for Cake 4? Take a look at [1], is everything up to date, esp. cake/bake at version 2+? Maybe something got stuck.

[1] https://github.com/cakephp/app/blob/master/composer.json