About Validation Exception

[sonal2504]

errors: array:1 [▼
"base" => array:1 [▼
0 => "The variant 'Default Title / L' already exists. Please change at least one option value."
]
]
message: "The given data failed to pass validation."

I have passed the product array from Laravel using the Signifly\Shopify package to create a product that time I got this above error