fixed for compatibility_error recover

Author: freakmaxi

src/sdam/description/topology/mod.rs

@@ -208,6 +208,8 @@ impl TopologyDescription {
 
     /// Check the cluster for a compatibility error, and record the error message if one is found.
     fn check_compatibility(&mut self) {
+        self.compatibility_error = None;
+        
         for server in self.servers.values() {
             let error_message = server.compatibility_error_message();