Error when using devshop_bitbucket: Cannot access offset of type string on string

[socialnicheguru]

TypeError: Cannot access offset of type string on string in devshop_bitbucket_form_devshop_project_create_step_git_alter() (line 534 of /usr/share/devshop/devmaster/modules/devshop/devshop_bitbucket/devshop_bitbucket.module).

I goto admin/hosting
select Bitbucket
I add username and app password
that is saved successfully
I refresh and select two repositories
That is save successfully
I goto create a project

[socialnicheguru]

This is a php8 issue:
https://stackoverflow.com/questions/72806853/uncaught-typeerror-cannot-access-offset-of-type-string-on-string-in

The problem here is that in PHP 8, this code error used to throw a 'warning' but now it's a fatal error.