diff --git a/lib/commands/smapi/cli-customization-processor.js b/lib/commands/smapi/cli-customization-processor.js
index 6e69a4e7..10a07735 100644
--- a/lib/commands/smapi/cli-customization-processor.js
+++ b/lib/commands/smapi/cli-customization-processor.js
@@ -120,7 +120,8 @@ class CliCustomizationProcessor {
             if (property.$ref) {
                 const schema = this._getDefinitionSchema(property.$ref, definitions);
                 if (!schema.enum) {
-                    throw new CliError('Cannot unwrap more then 2 levels deep. Please use customParameters or set skipUnwrap.');
+                    throw new CliError('Cannot unwrap more then 2 levels deep. Please use customParameters or '
+                    + `set skipUnwrap for parameter ${rootName} in lib/commands/smapi/customizations/parameters.json.`);
                 }
                 enumOptions = schema.enum;
                 description = schema.description || description;