Just create a new project and try to build the App Bundle.
B4X:
B4A Version: 13.00 BETA #1
Parsing code. (0.03s)
Java Version: 19
Building folders structure. (0.02s)
Running custom action. (0.05s)
Compiling code. (0.07s)
ObfuscatorMap.txt file created in Objects folder.
Compiling layouts code. (0.00s)
Organizing libraries. (0.00s)
(AndroidX SDK)
Compiling resources (0.07s)
Linking resources (0.17s)
build tools: 34.0.0, android jar: android-34
Compiling generated Java code. (1.32s)
Finding libraries that need to be dexed. (0.00s)
Dex code (2.03s)
Dex merge (1.57s)
Copying libraries resources (0.10s)
Building app bundle Error
C:\Android\tools\bin\bundletool.jar