Here's the error message I get:
'requires a top-level directory named Payload, containing only a .app bundle and optional plugins in a Plugins directory.\"}"'
UPDATE (still need help):
unzipped "temp.zip" to find two folders:
Tried to upload this...
A new PC with Windows 10 pro 64 bit. I have downloaded the jdk-11.0.1.zip file and extracted it to c:\java\jdk-11.0.1\
B4J is also the newest version. I can run my app in debug mode and create the jar-file but cannot run the jar from a batch file.
The batch file...