Please check if any of the following applies.
| Cause | Solution | |
| 1 | There is an error in the public API key, such as not enough digits.
The following formula is not valid. amount=(unit_price*quantity)+tax+shipping
1. Cases in which points, coupons, or set discounts are used 2. When the amount is calculated with a decimal point. |
Please set valid values for which the formula is valid. |
| 2 |
The setting value of the shipping_address object is incorrect in one of the following cases. 1. None of state, city, line2, or line1 is set. 2. ZIP address is not set. |
Please set shipping_address object applied the specs. |
| 3 |
The data format of the JSON item does not match the data format of the set value. 1. "" (empty) or a string was set for a numeric item. 2. A numeric value was set for a string item. 3. A string that is not allowed in that item was set. |
Please set each JSON object applied the specs. |
| 4 |
The e-mail address set in the email of the buyer object is invalid format. 1. Dots are followed by a series of dots. 2. There is a dot immediately before @. 3. Two @'s exist. 4. The domain does not exist. |
Please set up an appropriately formatted e-mail address. |
| 5 |
The e-mail address entered on the Checkout phone number and e-mail address entry screen is in an incorrect format. 1. Dots are consecutive. Example: paidy..payment@paidy.com 2. There is a dot immediately before @. Example: paidypayment.@paidy.com 3. A domain that does not exist. |
The e-mail address in the corresponding format is not available. Please use a different email address. |