conflicting-libraries

I am having this error: On getting dependency tree, I found that there is nothing wrong with animated vector drawables but facebook's latest sdk has previous version of support-v4 custom tab. I tried excluding with exclude group command but its not working. Here is my dependency tree: +--- com.facebook.android:facebook-android-sdk:4.26.0@aar | +--- com.android.support:support-v4:26.0.1@aar | | +--- com.android.support:support-compat:26.0.1@aar | | | \--- com.android.support:support-annotations:26.0.1@jar | | +--- com.android.support:support-media-compat:26.0.1@aar | | | +--- com.android

When I try to compile a copy of my project on my local machine, I get an error stating that it 's skipping over incompatible libraries. This isn't the case when I'm messing around with the live version hosted on the server at work [it makes perfectly there]. Various other sites have lead me to believe that this might be an environment issue, as I'm developing on a 64-bit distro of Ubuntu and I assume the server version is running on 32-bit. Nevertheless, after setting my environment variables to: CFLAGS+=" -m32" CXXFLAGS+=" -m32" I still receive the same compile error of: /usr/bin/ld: skipping

I am attempting to reproduce one of the examples in the dplyr package but this error message. I am expecting to see a new column n produced with the frequency of each combination. Can someone tell me what I am missing? I triple checked that the package is loaded. Thanks for the help, as always. library(dplyr) # summarise peels off a single layer of grouping by_vs_am <- group_by(mtcars, vs, am) by_vs <- summarise(by_vs_am, n = n()) Error in n() : This function should not be called directly mnel I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr . ddply is not a