[ONE Themes and Apps] jamjk:
Currently on RR 7.1 (20161225) on a Oneplus One using Slim_gapps_revisited_7.1_12122016

All seems to be working fine for me aside from the play store sitting at downloading forever when installing any app. I noticed the following in logcat upon hitting the Install/Update button in the store.

12-27 14:58:51.584 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.billing.lightpurchase.af.run(3093): Permissions accepted: com.kongregate.mobile.thetrail.google
12-27 14:58:54.766 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.billing.lightpurchase.LightPurchaseFlowActivity.a(1614): Will queue com.kongregate.mobile.thetrail.google to be downloaded on wifi only = true
12-27 14:58:55.785 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.s.ap.run(136): Applying library update: account=[#####]
12-27 14:58:55.842 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.services.h.a(108): App library has changed, requesting content sync.
12-27 14:58:55.865 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.installer.w.a(784): Presetting external-hosting status for non-installed com.kongregate.mobile.thetrail.google
12-27 14:58:55.870 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.installer.a.a.a(526): Request install of com.kongregate.mobile.thetrail.google v=6834 pri=2 for single_install
12-27 14:58:55.880 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.installer.a.a.a(50348): Installer kick - starting com.kongregate.mobile.thetrail.google
12-27 14:58:55.880 15904-15939/com.android.vending I/Finsky: [381] com.google.android.finsky.installer.al.b(202): Created session 1021363289 for com.kongregate.mobile.thetrail.google
12-27 14:58:55.899 15904-15957/com.android.vending I/Finsky: [393] com.google.android.finsky.installer.a.t.doInBackground(11163): File-by-File compatibility check result: true
12-27 14:58:55.944 15904-15930/com.android.vending I/PlayCommon: [372] com.google.android.play.a.g.e(900): Preparing logs for uploading
12-27 14:58:56.028 15904-15930/com.android.vending I/PlayCommon: [372] com.google.android.play.a.g.a(1040): Connecting to server: https://play.googleapis.com/play/log?format=raw&proto_v2=true
12-27 14:58:56.114 15904-15930/com.android.vending I/PlayCommon: [372] com.google.android.play.a.g.a(1115): Successfully uploaded logs.
12-27 14:58:56.117 15904-15930/com.android.vending I/PlayCommon: [372] com.google.android.play.a.g.e(900): Preparing logs for uploading
12-27 14:58:56.117 15904-15930/com.android.vending I/PlayCommon: [372] com.google.android.play.a.g.e(902): No file ready to send
12-27 14:58:56.182 15904-15939/com.android.vending I/Finsky: [381] com.google.android.finsky.installer.au.run(125): Session for com.kongregate.mobile.thetrail.google already exists, skipping creation
12-27 14:58:56.196 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.installer.a.ab.onPostExecute(14150): Downloading compressed for com.kongregate.mobile.thetrail.google (..obb_main)
12-27 14:58:56.198 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.download.e.a(298): Duplicate state set for 'obb-for-com.kongregate.mobile.thetrail.google' (0). Already in that state
12-27 14:58:56.199 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.download.x.e(144): Download obb-for-com.kongregate.mobile.thetrail.google added to DownloadQueue
12-27 14:58:56.199 15904-15904/com.android.vending I/Finsky: [1] com.google.android.finsky.download.e.a(300): obb-for-com.kongregate.mobile.thetrail.google from 0 to 1.
12-27 14:58:56.201 15904-15904/com.android.vending E/Finsky: [1] com.google.android.finsky.utils.ed.a(374): Cannot freeStorageAndNotify due to reflection invocation exception
com.google.android.flib.log.WhatATerribleException: java.lang.reflect.InvocationTargetException
at com.google.android.flib.log.a.b(SourceFile:112)
at com.google.android.finsky.utils.FinskyLog.b(SourceFile:104)
at com.google.android.finsky.utils.ed.a(SourceFile:374)
at com.google.android.finsky.download.x.d(SourceFile:550)
at com.google.android.finsky.download.x.e(SourceFile:151)
at com.google.android.finsky.installer.a.z.a(SourceFile:1544)
at com.google.android.finsky.installer.a.m.a(SourceFile:2014)
at com.google.android.finsky.installer.a.m.a(SourceFile:1937)
at com.google.android.finsky.installer.a.ab.onPostExecute(SourceFile:22116)
at android.os.AsyncTask.finish(AsyncTask.java:667)
at android.os.AsyncTask.-wrap1(AsyncTask.java)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:684)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6126)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invoke(Native Method)
at com.google.android.finsky.utils.ed.a(SourceFile:365)
at com.google.android.finsky.download.x.d(SourceFile:550)*
at com.google.android.finsky.download.x.e(SourceFile:151)*
at com.google.android.finsky.installer.a.z.a(SourceFile:1544)*
at com.google.android.finsky.installer.a.m.a(SourceFile:2014)*
at com.google.android.finsky.installer.a.m.a(SourceFile:1937)*
at com.google.android.finsky.installer.a.ab.onPostExecute(SourceFile:22116)*
at android.os.AsyncTask.finish(AsyncTask.java:667)*
at android.os.AsyncTask.-wrap1(AsyncTask.java)*
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:684)*
at android.os.Handler.dispatchMessage(Handler.java:102)*
at android.os.Looper.loop(Looper.java:154)*
at android.app.ActivityThread.main(ActivityThread.java:6126)*
at java.lang.reflect.Method.invoke(Native Method)*
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)*
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)*
Caused by: java.lang.SecurityException: Neither user 10264 nor current process has android.permission.CLEAR_APP_CACHE.
at android.os.Parcel.readException(Parcel.java:1684)
at android.os.Parcel.readException(Parcel.java:1637)
at android.content.pm.IPackageManager$Stub$Proxy.freeStorageAndNotify(IPackageManager.java:4571)
at android.app.ApplicationPackageManager.freeStorageAndNotify(ApplicationPackageManager.java:1949)
at android.content.pm.PackageManager.freeStorageAndNotify(PackageManager.java:5149)
at java.lang.reflect.Method.invoke(Native Method)*
at com.google.android.finsky.utils.ed.a(SourceFile:365)*
at com.google.android.finsky.download.x.d(SourceFile:550)*
at com.google.android.finsky.download.x.e(SourceFile:151)*
at com.google.android.finsky.installer.a.z.a(SourceFile:1544)*
at com.google.android.finsky.installer.a.m.a(SourceFile:2014)*
at com.google.android.finsky.installer.a.m.a(SourceFile:1937)*
at com.google.android.finsky.installer.a.ab.onPostExecute(SourceFile:22116)*
at android.os.AsyncTask.finish(AsyncTask.java:667)*
at android.os.AsyncTask.-wrap1(AsyncTask.java)*
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:684)*
at android.os.Handler.dispatchMessage(Handler.java:102)*
at android.os.Looper.loop(Looper.java:154)*
at android.app.ActivityThread.main(ActivityThread.java:6126)*
at java.lang.reflect.Method.invoke(Native Method)*
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)*
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)*

I have tried deleting data and cache for the store and play services, reinstalling the store from an apk, and wiping the phone's cache in recovery to no avail.

Is anyone else having a similar problem/can anyone point me in the direction of a solution?