Do I have to delete the chain folder and re-sync?
2015-01-04T15:00:00 th_a:invoke get_blockchain_synopsis get_blockchain_synop ] Unable to construct a blockchain synopsis for reference hash 029ee217d2e2408793b6b86c4bc2db72a5dbb744: {"code":10,"name":"assert_exception","message":"Assert Exception","stack":[{"context":{"level":"error","file":"chain_database.cpp","line":1152,"method":"bts::blockchain::detail::chain_database_impl::get_fork_history","hostname":"","thread_name":"th_a","timestamp":"2015-01-04T15:00:00"},"format":"prev_fork_data.is_linked: we hit a dead end, this fork isn't really linked!","data":{}},{"context":{"level":"warn","file":"chain_database.cpp","line":1162,"method":"bts::blockchain::detail::chain_database_impl::get_fork_history","hostname":"","thread_name":"th_a","timestamp":"2015-01-04T15:00:00"},"format":"","data":{"block_id":"029ee217d2e2408793b6b86c4bc2db72a5dbb744"}}]} client.cpp:1084