"ae-config.properties" file not present in AEUI folder
A known issue in AE Version: 5.2.6 and 5.2.7
Solution:
- Enter the https://aeui_url/#/editconfigfile URL in your browser. i.e https://10.51.4.49:8443/aeui/#/editconfigfile
- Download the properties file and paste it into the "aeui" folder and try.