Execution failed for task ':app:mergeDebugResources'

A failure occurred while executing com.android.build.gradle.internal.res.ResourceCompilerRunnable

Resource compilation failed. Check logs for details.

ParseError at [row,col]:[9,264]
Message: http://www.w3.org/TR/1999/REC-xml-names-19990114#AttributeNSNotUnique?LinearLayout&layout_width&http://schemas.android.com/apk/res/android

I would be thankful if someone would be able to help me :smiley: