Fix bad arg index in error message

sources/BaseRealm/AcediaEnvironment/AcediaEnvironment.uc

@@ -1,6 +1,6 @@
 /**
  *  Container for the information about available resources from other packages.
- *      Copyright 2022 Anton Tarasenko
+ *      Copyright 2022-2023 Anton Tarasenko
  *------------------------------------------------------------------------------
  * This file is part of Acedia.
  *
@@ -520,7 +520,7 @@ defaultproperties
     manifestSuffix = ".Manifest"
     infoRegisteringPackage          = (l=LOG_Info,m="Registering package \"%1\".")
     infoAlreadyRegistered           = (l=LOG_Info,m="Package \"%1\" is already registered.")
-    errNotRegistered                = (l=LOG_Error,m="Package \"%2\" has failed to be registered.")
+    errNotRegistered                = (l=LOG_Error,m="Package \"%1\" has failed to be registered.")
     warnFeatureAlreadyEnabled       = (l=LOG_Warning,m="Same instance of `Feature` class `%1` is already enabled.")
     errFeatureClassAlreadyEnabled   = (l=LOG_Error,m="Different instance of the same `Feature` class `%1` is already enabled.")
 }