A handheld picking workflow received its target field from the backend, but the page showed no target when that field contained a contract-defined asterisk sentinel. Save and confirmation actions then failed the required-field check.

Ordinary target values worked, so the symptom initially resembled …

An older Android project using Gradle 6.8 and Android Gradle Plugin 4.2 failed in the extractDeepLinks task with an error saying that the Java module system did not open java.io. That error is typical when an old build tool runs on a newer modular JDK.

The confusing part was that java -version in …

A warehouse RF device repeatedly stopped halfway through a batch of package labels. The same printer behaved normally from a desktop computer, which initially made the template, printer buffer, and Android implementation all look suspicious.

The useful evidence came from three places: application …