When I use shopify graphql productVariantCreate endpoint to create product variant, I will encounter internal server error if I add variant metafields to the variant.
"extensions": {
"code": "INTERNAL_SERVER_ERROR",
"requestId": "964db28b-52e9-457b-9be4-db18b6676b57"
}
Is there any way to solve this? My metafield is actually queried from productVariant graphql.