Alipay sandbox tests mobile website payment, prompting that the merchant's cooperation agreement has expired and cannot continue to be used

problem ： Hello everyone , my php Alipay sandbox test mobile website payment , Prompt that the merchant cooperation agreement has expired , Cannot continue to use , Conduct pc Computer website payment is normal , Mobile website payment is not good , What is the reason for this ？

  answer ：

explain ：    This error occurs more often in the sandbox test interface   Suggest :   1. Sandbox test please provide ：     Test environment + The sandbox appid+ Test interface name  （ The information is incomplete and cannot be processed ）   Be careful :    If it's a sandbox appid Without permission, we will directly give it appid Add this interface function , Adding successfully will result in your question reply processing , Please pay attention to the reply results .  2. Please provide the formal environmental test ： Test environment + Signing Account No +appid+ Test interface name + Request parameters （ Incomplete information makes it impossible to judge the problem ）      Be careful ： If it is confirmed that the contract expires 【 How to judge the effectiveness of your contract 】      Please follow this post to sign up by self-service or manual consultation ：https://openclub.alipay.com/read.php?tid=276&fid=72

The error is reported because the account number is not signed , Or the contract expires , If you are in a real production environment , You just need to sign a contract

If you are in a sandbox environment , You can sign up manually in the post

Solution document ： The merchant cooperation agreement has expired , Cannot continue to use , Please contact the merchant to handle - Alicloud developer community

Post self-service signing ： Open community - Alipay