diff --git a/src/gmc_gui.erl b/src/gmc_gui.erl
index 1145b1d..d325bad 100644
--- a/src/gmc_gui.erl
+++ b/src/gmc_gui.erl
@@ -331,6 +331,12 @@ do_message({error, #{info := #{info := #{error := get_failed, data := {error, #{
 do_message({error, #{info := #{info := #{error := connect_failure, data := {error, failed}}, module := gmhc_eureka}}}, State) ->
     Entry = "\nConnection terminated. Retrying.",
     do_message2(Entry, State);
+do_message({error, #{info := #{info := #{error := cannot_start_worker}, module := gmhc_server}}}, State) ->
+    Entry = "\nSolver barfed on previous input.",
+    do_message2(Entry, State);
+do_message({error, #{info := #{info := #{error := worker_error}, module := gmhc_server}}}, State) ->
+    Entry = "\nWorker tripped up. Moving on...",
+    do_message2(Entry, State);
 do_message(Terms, State) ->
     tell(info, "~p", [Terms]),
     Entry = io_lib:format("~n~tp", [Terms]),