try

src/coins.h

@@ -456,6 +456,7 @@ class CTransactionExceptionData
         CTransactionExceptionData() : scriptPubKey(), voutMask() {}
 };
 
+#ifdef SERVER
 class CLaunchMap
 {
     public:
@@ -478,6 +479,7 @@ class CLaunchMap
         }
 };
 static CLaunchMap launchMap = CLaunchMap();
+#endif
 
 /** CCoinsView that adds a memory cache for transactions to another CCoinsView */
 class CCoinsViewCache : public CCoinsViewBacked