Please update wallet version 1.2.0.0
Download wallet here:
Windows qt https://github.com/wavepay/wavepaywallet/releases/download/v1.2.0.0/windows-qt.zip

Linux qt https://github.com/wavepay/wavepaywallet/releases/download/v1.2.0.0/linux-qt.tar.gz

Linux daemon https://github.com/wavepay/wavepaywallet/releases/download/v1.2.0.0/linux-daemon.tar.gz

Source code https://github.com/wavepay

Github release :
https://github.com/wavepay/wavepaywallet/releases/tag/v1.2.0.0