ID 399134 - Project fails to load due to Mari Load XML error

Problem summary
Project fails to load due to Mari Load XML error

Customer reported version

Customer reported platform
centos7

Steps to reproduce

1) Copy the attached project cache into the Cache folder 

2) Open Mari and load the project

result: the project fails to load

Expected behaviour
Mari should load the project

Actual behaviour
Project fails to load due to Mari Load XML error

Workaround
Open the project in Mari 3 and then load it in Mari 4 

Reproduced by support
This bug has been reproduced in:

4.5v2 - Windows 10 - CentOS 7 

4.0v1 - Windows 10 - CentOS 7 - regression

Unable to reproduce bug in:
3.4v4 - Windows 10 - CentOS 7 

Earliest version tested
3.4v4 - This issue no longer appears in this version and has regressed