Common reasons for credit card payment failures：
| Failed Reason: | How to deal with it? |
| Channel Route Error - there is no available subChannel | Please pay again later |
| Transaction declined (Do not honor,Please contact the issuing bank to confirm the bank card payment limit) |
Please change your credit card or apply to raise the limit. |
| Transaction declined (invalid CVV) | Fill in the correct CVV code. |
| Transaction declined (limit exceeded) | Please change your credit card or contact your bank. |
| Transaction declined (limit exceeded) - Amount too high | |
| Transaction declined (High risk transaction) | Please change your credit card. |
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| Transaction declined (other reason) | |
| Transaction declined (format error) | Please fill in the correct state code in the address field. State code table>> |
State code table by North America
| States of the United States | Code | Canadian states | code |
| Alabama | AL | Ontario | ON |
| Alaska | AK | Quebec | QC |
| Arizona | AZ | Nova Scotia | NS |
| Arkansas | AR | New Brunswick | NB |
| California | CA | Manitoba | MB |
| Colorado | CO | British Columbia | BC |
| Connecticut | CT | Prince Edward Island | PE |
| Delaware | DE | Alberta | AB |
| Florida | FL | Saskatchewan | SK |
| Georgia | GA | Northwest Territories | NT |
| Hawaii | HI | Nunavut | NU |
| Idaho | ID | Newfoundland and Labrador | NL |
| Illinois | IL | Yukon | YT |
| Indiana | IN | ||
| Iowa | IA | ||
| Kansas | KS | ||
| Kentucky | KY | ||
| Louisiana | LA | ||
| Maine | ME | ||
| Maryland | MD | ||
| Massachusetts | MA | ||
| Michigan | MI | ||
| Minnesota | MN | ||
| Mississippi | MS | ||
| Missouri | MO | ||
| Montana | MT | ||
| Nebraska | NE | ||
| Nevada | NV | ||
| New Hampshire | NH | ||
| New Jersey | NJ | ||
| New Mexico | NM | ||
| New York | NY | ||
| North Carolina | NC | ||
| North Dakota | ND | ||
| Ohio | OH | ||
| Oklahoma | OK | ||
| Oregon | OR | ||
| Pennsylvania | PA | ||
| Rhode Island | RI | ||
| South Carolina | SC | ||
| South Dakota | SD | ||
| Tennessee | TN | ||
| Texas | TX | ||
| Utah | UT | ||
| Vermont | VT | ||
| Virginia | VA | ||
| Washington | WA | ||
| West Virginia | WV | ||
| Wisconsin | WI | ||
| Wyoming | WY | ||
| American Samoa | AS | ||
| District of Columbia | DC | ||
| Northern Mariana Islands | MP | ||
| Federated States of Micronesia | FM | ||
| Guam | GU | ||
| Palau | PW | ||
| Puerto | PR | ||
| Marshall Islands | MH | ||
| Virgin Islands | VI |
