after changing and save this error happend

[krishnenduash]

I: Using Apktool 2.12.1 on MX Player.apk with 4 threads
I: Copying raw classes.dex file...
I: Copying raw classes2.dex file...
I: Copying raw classes3.dex file...
I: Copying raw classes4.dex file...
I: Copying raw classes5.dex file...
I: Copying raw classes6.dex file...
I: Setting 'debuggable' attribute to 'true' in AndroidManifest.xml
I: Building resources with aapt2...
W: C:\Users\master\Desktop\APK Editor Studio v1.7.2\data\temp\apk{d2451f4f-d3b1-47fc-9f50-07a007b4dac0}\res\values\public.xml:27745: error: no definition for declared symbol 'com.mxtech.videoplayer.ad:xml/ad_services_config'.
W: error: failed linking references.
Exception in thread "main" brut.androlib.exceptions.AndrolibException: brut.common.BrutException: could not exec (exit code = 1): [C:\Users\master\AppData\Local\Temp\brut_util_Jar_14140931146375278126887020294950207365.tmp, link, -o, C:\Users\master\AppData\Local\Temp\APKTOOL3925688685476313307.tmp, --package-id, 127, --min-sdk-version, 24, --target-sdk-version, 35, --version-code, 2001002723, --version-name, 2.0.3, --no-auto-version, --no-version-vectors, --no-version-transitions, --no-resource-deduping, --no-compile-sdk-metadata, --warn-manifest-validation, -I, C:\Users\master\Desktop\APK Editor Studio v1.7.2\data\frameworks\1.apk, --manifest, C:\Users\master\Desktop\APK Editor Studio v1.7.2\data\temp\apk{d2451f4f-d3b1-47fc-9f50-07a007b4dac0}\AndroidManifest.xml, C:\Users\master\Desktop\APK Editor Studio v1.7.2\data\temp\apk{d2451f4f-d3b1-47fc-9f50-07a007b4dac0}\build\resources.zip]
at brut.androlib.AaptInvoker.invoke(SourceFile:212)
at brut.androlib.ApkBuilder.buildResources(SourceFile:328)
at brut.apktool.Main.main(SourceFile:96)
Caused by: brut.common.BrutException: could not exec (exit code = 1): [C:\Users\master\AppData\Local\Temp\brut_util_Jar_14140931146375278126887020294950207365.tmp, link, -o, C:\Users\master\AppData\Local\Temp\APKTOOL3925688685476313307.tmp, --package-id, 127, --min-sdk-version, 24, --target-sdk-version, 35, --version-code, 2001002723, --version-name, 2.0.3, --no-auto-version, --no-version-vectors, --no-version-transitions, --no-resource-deduping, --no-compile-sdk-metadata, --warn-manifest-validation, -I, C:\Users\master\Desktop\APK Editor Studio v1.7.2\data\frameworks\1.apk, --manifest, C:\Users\master\Desktop\APK Editor Studio v1.7.2\data\temp\apk{d2451f4f-d3b1-47fc-9f50-07a007b4dac0}\AndroidManifest.xml, C:\Users\master\Desktop\APK Editor Studio v1.7.2\data\temp\apk{d2451f4f-d3b1-47fc-9f50-07a007b4dac0}\build\resources.zip]
at brut.util.OS.exec(SourceFile:148)
at brut.androlib.AaptInvoker.invoke(SourceFile:208)
... 2 more

[marcosnathan]

This tool is just a GUI for APKTool. This is issue seems to be related to APKTool, not the GUI.