Flutter can not find file on release mode


This Content is from Stack Overflow. Question asked by Ahmed Sa’eed

When using package 1 or package 2 for tracking the user, It’s working fine in debug mode, But when generate release mode APK and trying to test on device this error obtains.

E/flutter (19926): [ERROR:flutter/shell/common/shell.cc(93)] Dart Error: Dart_LookupLibrary: library ‘…/tracking_service.dart’ not found.

What is the meaning of this error? and How can I solve it?


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