The issue is about certificate follow this link –https://stackoverflow.com/a/39032433/4741746
This will bypass certificate and allow you to enter in system
see this link also –https://futurestud.io/tutorials/glide-module-example-accepting-self-signed-https-certificates
Create your custom GlideModule Class,OkHttpUrlLoader class and attach to you Glide as mention in above link
You have to put
<meta-data
android:name="io.futurestud.tutorials.glide.glidemodule.CustomImageSizeGlideModule"
android:value="GlideModule" />
Inside application tag of your AndroidMainifiest file https://github.com/fs-opensource/android-tutorials-glide/blob/master/app/src/main/AndroidManifest.xml