isn't at quality standard required to move forward

I recently upload BlockchainEDU but it rejected and the reason says “we found it isn’t at the quality standard required to move forward” can you please let us know what are the errors or issues that our BlockchainEDU was rejected? We will fix the errors and we will be careful next time to avoid these types of error.

Our Demo Link: http://linkwellsystems.com:81/
Username : university001@gmail.com
Password : admin123

Thanks!