Unable to merge android manifests

I have been trying to build my apk from unity a have added admob and google play plugin since then i had this problem i would really appreciate if any one could help me.

i have also tried to solve the problem by changing all the manifest file's minSdkVersion similar to each other but it doesn't work either.

Error building Player: CommandInvokationFailure: Unable to merge android manifests. See the Console for more details. C:/Program Files/Java/jdk1.8.0_102\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir="C:/Android/android-sdk\tools" -Dfile.encoding=UTF8 -jar "C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar" -

stderr[ Error: [AndroidManifest.xml] Failed to write XML file: javax.xml.transform.TransformerException: java.io.FileNotFoundException: D:\Work Place\Wappnotech (Access is denied) Error: [D:\Work Place\Wappnotech#1\Temp\StagingArea\AndroidManifest.xml] Failed to write manifest file. ]

stdout[ [Temp\StagingArea\AndroidManifest-main.xml, D:\Work Place\Wappnotech#1\Temp\StagingArea\android-libraries\MainLibProj\AndroidManifest.xml:16] Skipping identical /manifest/application/meta-data[@name=com.google.android.gms.version] element. [Temp\StagingArea\AndroidManifest-main.xml, D:\Work Place\Wappnotech#1\Temp\StagingArea\android-libraries\play-services-basement-8.4.0\AndroidManifest.xml:5] Skipping identical /manifest/application/meta-data[@name=com.google.android.gms.version] element. ]