React JS project rejection problem

My last react js template is rejected by Themeforest. Please give me the reasons for the hard rejection of my project.
Can you give me suggestions?

And I want to learn this. Can I upload it again after fixing all the errors and improving the theme? Because ıt says you won’t be able to upload it again

Here is the demo of my template:

This is an old style theme design approach and has been done lots of time over many years. You will need to find a better idea/execution.