while running the wallet on fedora25 i get following error : "undefined symbol: event_base_update_cache_time"

[devu@DeepOnionMiner ~]$ /opt/DeepOnion/bin/DeepOniond
/opt/DeepOnion/bin/DeepOniond: symbol lookup error: /opt/DeepOnion/bin/DeepOniond: undefined symbol: event_base_update_cache_time
[devu@DeepOnionMiner ~]$