Coupons, SKUs, customers, products, and plans now limit the valid characters for IDsBreaking changes
What’s new
Coupon, SKU, customer, product and plan IDs can only contain alphanumeric and _ characters on creation.
Impact
Restricting the characters allowed in id fields for coupons, SKUs, customers, products, and plans to alphanumeric characters, underscores, and hyphens. You must make sure that newly created id values adhere to this format.