Rebuilding the APK may have failed. Read the following output to determine if apktool actually had an error:

[hailstorm1422]

kali@void:~/kkk$ objection patchapk --source app-internal-release-0.1.60.apk 
No architecture specified. Determining it using `adb`...
Detected target device architecture as: arm64-v8a
Using latest Github gadget version: 12.10.4
Patcher will be using Gadget version: 12.10.4
Detected apktool version as: 2.4.1
Running apktool empty-framework-dir...
I: Removing 1.apk framework file...
Unpacking app-internal-release-0.1.60.apk
App already has android.permission.INTERNET
Setting extractNativeLibs to true...
Target class not specified, searching for launchable activity instead...
Reading smali from: /tmp/tmp4a1g73u4.apktemp/smali/co/fable/fable/ui/main/home/HomeActivity.smali
Injecting loadLibrary call at line: 185
Attempting to fix the constructors .locals count
Current locals value is 0, updating to 1:
Writing patched smali back to: /tmp/tmp4a1g73u4.apktemp/smali/co/fable/fable/ui/main/home/HomeActivity.smali
Creating library path: /tmp/tmp4a1g73u4.apktemp/lib/arm64-v8a
Copying Frida gadget to libs path...
Rebuilding the APK with the frida-gadget loaded...
Rebuilding the APK may have failed. Read the following output to determine if apktool actually had an error: 

W: invalid resource directory name: /tmp/tmp4a1g73u4.apktemp/res navigation
brut.androlib.AndrolibException: brut.common.BrutException: could not exec (exit code = 1): [/tmp/brut_util_Jar_13922208592425842436.tmp, p, --forced-package-id, 127, --min-sdk-version, 26, --target-sdk-version, 29, --version-code, 60, --version-name, 0.1.60, --no-version-vectors, -F, /tmp/APKTOOL10708857155343462440.tmp, -e, /tmp/APKTOOL13906446458217265754.tmp, -0, arsc, -I, /home/kali/.local/share/apktool/framework/1.apk, -S, /tmp/tmp4a1g73u4.apktemp/res, -M, /tmp/tmp4a1g73u4.apktemp/AndroidManifest.xml]

Built new APK with injected loadLibrary and frida-gadget
Signing new APK.
Signing the new APK may have failed.
jarsigner: unable to open jar file: /tmp/tmp4a1g73u4.apktemp.objection.apk

Signed the new APK
Performing zipalign
Zipaligning the APK may have failed. Read the following output to determine if zipalign actually had an error: 

Unable to open '/tmp/tmp4a1g73u4.apktemp.objection.apk' as zip archive

Zipalign completed
Copying final apk from /tmp/tmp4a1g73u4.apktemp.aligned.objection.apk to app-internal-release-0.1.60.objection.apk in current directory...
Traceback (most recent call last):
  File "/usr/local/bin/objection", line 10, in <module>
    sys.exit(cli())
  File "/usr/lib/python3/dist-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/usr/lib/python3/dist-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3/dist-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/lib/python3/dist-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/home/kali/.local/lib/python3.7/site-packages/objection/console/cli.py", line 371, in patchapk
    patch_android_apk(**locals())
  File "/home/kali/.local/lib/python3.7/site-packages/objection/commands/mobile_packages.py", line 227, in patch_android_apk
    shutil.copyfile(patcher.get_patched_apk_path(), os.path.join(os.path.abspath('.'), destination))
  File "/usr/lib/python3.7/shutil.py", line 120, in copyfile
    with open(src, 'rb') as fsrc:
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/tmp4a1g73u4.apktemp.aligned.objection.apk'
Cleaning up temp files...
Failed to cleanup with error: [Errno 2] No such file or directory: '/tmp/tmp4a1g73u4.apktemp.objection.apk'

[rajeshnadiminti]

I am having similar issue when using Objection

[AkshayJainG]

Have you tried doing it manually? Can the apk be shared?

[leonjza]

I added some tips for patching issues here: https://github.com/sensepost/objection/wiki/Android-APK-Patching