C:\Users\zxc\Desktop\apktool>apktool b arz-829

I: Using Apktool 2.2.3

I: Checking whether sources has changed...

I: Smaling smali folder into classes.dex...

I: Checking whether sources has changed...

I: Smaling smali_classes2 folder into classes2.dex...

I: Checking whether resources has changed...

I: Building resources...

W: invalid resource directory name: C:\Users\zxc\Desktop\apktool\arz-829\res font

Exception in thread "main" brut.androlib.AndrolibException: brut.androlib.AndrolibException: brut.common.BrutException: could not exec (exit code = 1): [C:\Temp\brut_util_Jar_308440771662506971.tmp, p, --forced-package-id, 127, --min-sdk-version, 21, --target-sdk-version, 24, --version-code, 829, --version-name, v8.2.9, --no-version-vectors, -F, C:\Temp\APKTOOL491803172771009877.tmp, -0, arsc, -0, webp, -0, arsc, -I, C:\Users\zxc\AppData\Local\apktool\framework\1.apk , -S, C:\Users\zxc\Desktop\apktool\arz-829\res, -M, C:\Users\zxc\Desktop\apktool\arz-829\AndroidManifest.xml]

at brut.androlib.Androlib.buildResourcesFull(Androlib .java:493)

at brut.androlib.Androlib.buildResources(Androlib.jav a:427)

at brut.androlib.Androlib.build(Androlib.java:326)

at brut.androlib.Androlib.build(Androlib.java:264)

at brut.apktool.Main.cmdBuild(Main.java:231)

at brut.apktool.Main.main(Main.java:84)

Caused by: brut.androlib.AndrolibException: brut.common.BrutException: could not exec (exit code = 1): [C:\Temp\brut_util_Jar_308440771662506971.tmp, p, --forced-package-id, 127, --min-sdk-version, 21, --target-sdk-version, 24, --version-code, 829, --version-name, v8.2.9, --no-version-vectors, -F, C:\Temp\APKTOOL491803172771009877.tmp, -0, arsc, -0, webp, -0, arsc, -I, C:\Users\zxc\AppData\Local\apktool\framework\1.apk , -S, C:\Users\zxc\Desktop\apktool\arz-829\res, -M, C:\Users\zxc\Desktop\apktool\arz-829\AndroidManifest.xml]

at brut.androlib.res.AndrolibResources.aaptPackage(An drolibResources.java:441)

at brut.androlib.Androlib.buildResourcesFull(Androlib .java:479)

... 5 more

Caused by: brut.common.BrutException: could not exec (exit code = 1): [C:\Temp\brut_util_Jar_308440771662506971.tmp, p, --forced-package-id, 127, --min-sdk-version, 21, --target-sdk-version, 24, --version-code, 829, --version-name, v8.2.9, --no-version-vectors, -F, C:\Temp\APKTOOL491803172771009877.tmp, -0, arsc, -0, webp, -0, arsc, -I, C:\Users\zxc\AppData\Local\apktool\framework\1.apk , -S, C:\Users\zxc\Desktop\apktool\arz-829\res, -M, C:\Users\zxc\Desktop\apktool\arz-829\AndroidManifest.xml]

at brut.util.OS.exec(OS.java:95)

at brut.androlib.res.AndrolibResources.aaptPackage(An drolibResources.java:435)

... 6 more

C:\Users\zxc\Desktop\apktool>