STY: Naming conventions.

src/lib/maoxdb.cpp

@@ -59,7 +59,7 @@ auto transactionStatusToMessage(const caosdb::transaction::Transaction *const tr
   if (!status.IsError()) { // || code == caosdb::StatusCode::GENERIC_TRANSACTION_ERROR) {
     return std::pair<string, string>();
   }
-  string id = string("maoxdb:") + std::to_string(code);
+  string id = string("maoxdb:E") + std::to_string(code);
   string text = status.GetDescription();
   return std::pair<string, string>(id, text);
 }