Client version 6.14.16_07_08_13_26 is rejected by server.
Tried to log on this showed up... Client version 6.14.16_07_08_13_26 is rejected by server.
Tried to log on this showed up... Client version 6.14.16_07_08_13_26 is rejected by server.
You'll need to perform a client repair by clicking the question mark on the top right of your launcher.
Try restarting the client. Had the same error and I think it just didn't patch properly. I closed out and started league again, it patched again, and let me log in no problem