Sounds like you are using an old and outdated SDK.
Reinstall B4A and the SDK.
Follow the installationinstructions carefully.
B4A includes all the features needed to quickly develop any type of Android app. B4A is used by tens of thousands of developers from all over the world, including companies such as NASA, HP, IBM and others.
www.b4x.com
Reference:
Hi Don,
Thanks and I am using the latest version of b4a.. 11.50
D8 is in the lib folder but can not load to the libraries list of B4A project when I refreshed it. I added it manually to the
files in Files Manager without success.. I always get this error message:
B4A Version: 11.50
Parsing code. (0.33s)
Java Version: 8
Building folders structure. (0.28s)
Compiling code. (0.49s)
Compiling layouts code. (0.08s)
Organizing libraries. (0.02s)
(Android Support Library)
Compiling resources (0.91s)
Linking resources (2.04s)
Compiling generated Java code. (9.22s)
Finding libraries that need to be dexed. Error
d8.jar missing
Any meaning appreciated