MySQL operation database data error: fatal error encoded during command execution

MYSQL newspaper Fatal error encountered during command execution. The wrong solution

1. background ： Today, I'm doing data synchronization to the database mysql When , do insert operation ,insert The method is C# It's encapsulated at the bottom , No change ,insert Data cannot be written all the time , see log：{MySql.Data.MySqlClient.MySqlException (0x80004005): Fatal error encountered during command execution. ---> MySql.Data.MySqlClient.MySqlException (0x80004005): Fatal error encountered attempting to read the resultset. --->

2. Baidu solution ： Add ：

Allow User Variables=True;

After trying it yourself , Not yet. ！

3. Try to solve ： Write one manually insert sentence , Insert a piece of data into the table of the database , Obviously, the data was successfully inserted . Cleared the test data just inserted , Serve the formal environment job After opening , The data is written in , I feel a little confused , Make a note of , I hope you guys can give me valuable comments ！