stagedUploadsCreate unkown error

[eternalparquet]

Hello, the stagedUploadsCreate mutation give an unkown error
RequestError: Variable $input of type [StagedUploadInput!]! was provided invalid value,
here the code:

            let input = [];
            for await (const [i, jsonlFileContent] of jsonlFileContentList.entries()) {
                console.log("Creating staged file for batch:", i);
                // Fill input for staged upload mutation    
                input.push(
                    {
                        resource: "BULK_MUTATION_VARIABLES",
                        filename: `bulk_op_vars_${i}.jsonl`,
                        mimeType: "text/jsonl",
                        httpMethod: "POST"
                    }
                );
            }
            // Create temporary shopify file.
            response = await shopify.graphql(
                `#graphql
                    mutation stagedUploadsCreate($input: [StagedUploadInput!]!) {
                        stagedUploadsCreate(input: $input) {
                        stagedTargets {
                            url
                            resourceUrl
                            parameters {
                            name
                            value
                            }
                        }
                        userErrors {
                            field
                            message
                        }
                        }
                    }
                    `,
                {
                    variables: {
                        input: input
                    }
                }
            );
            await sleep(2000);
            let responseJson = await response.json();
```
`