diff --git a/src/common/global.h b/src/common/global.h
index 5e03536a..716b7118 100644
--- a/src/common/global.h
+++ b/src/common/global.h
@@ -107,6 +107,7 @@ enum Error
     ERR_VEH_VIRUS       = 400,      //! <  vehicle infected by a virus
     ERR_BAT_VIRUS       = 401,      //! <  building infected by a virus
     ERR_DESTROY_NOTFOUND = 410,     //! <  not found anything to destroy
+    ERR_WRONG_OBJ       = 420,      //! <  inappropriate vehicle
     ERR_VEH_POWER       = 500,      //! <  no battery
     ERR_VEH_ENERGY      = 501,      //! <  more energy
     ERR_FLAG_FLY        = 510,      //! <  impossible in flight
diff --git a/src/common/restext.cpp b/src/common/restext.cpp
index 663a82e9..bbec7ec8 100644
--- a/src/common/restext.cpp
+++ b/src/common/restext.cpp
@@ -624,6 +624,7 @@ void InitializeRestext()
     stringsErr[ERR_FLAG_PROXY]      = "Too close to an existing flag";
     stringsErr[ERR_FLAG_DELETE]     = "No flag nearby";
     stringsErr[ERR_DESTROY_NOTFOUND]= "Not found anything to destroy";
+    stringsErr[ERR_WRONG_OBJ]       = "Inappropriate object";
     stringsErr[ERR_MISSION_NOTERM]  = "The mission is not accomplished yet (press \\key help; for more details)";
     stringsErr[ERR_DELETEMOBILE]    = "Bot destroyed";
     stringsErr[ERR_DELETEBUILDING]  = "Building destroyed";
diff --git a/src/script/script.cpp b/src/script/script.cpp
index fb9ee933..250f052f 100644
--- a/src/script/script.cpp
+++ b/src/script/script.cpp
@@ -538,7 +538,7 @@ bool CScript::rBusy(CBotVar* thisclass, CBotVar* var, CBotVar* result, int& exce
     if ( automat != nullptr )
         result->SetValInt(automat->GetBusy());
     else
-        exception = ERR_MANIP_VEH;
+        exception = ERR_WRONG_OBJ;
 
     return true;
 }
@@ -571,7 +571,7 @@ bool CScript::rDestroy(CBotVar* thisclass, CBotVar* var, CBotVar* result, int& e
     {
         err = automat->StartAction(0);
     } else
-        err = ERR_MANIP_VEH;
+        err = ERR_WRONG_OBJ;
 
     if ( err != ERR_OK )
     {
@@ -728,7 +728,7 @@ bool CScript::rFactory(CBotVar* thisclass, CBotVar* var, CBotVar* result, int& e
         else
             err = ERR_BUILD_DISABLED;
     } else
-        err = ERR_MANIP_VEH;
+        err = ERR_WRONG_OBJ;
 
     if ( err != ERR_OK )
     {