Application Update no more working

I have just successfully tested the eApps Store.WhatsApp and Artifex SmartOffice downloaded and installed via eApps.

Samsung Galaxy S7 with /e/ OS 9-Pie e-0.9-pie-20200530*
eApps version 1.1.6
WhatsApp version 2.20.189
Artifex SmartOffice verson 3.8.6

[UNOFFICIAL BUILD] Unofficial Pie Build for Samsung Galaxy S7 edge (hero2lte)