ZaupShop商店插件无法上架部分商品是怎么回事啊，求大佬解答

这是无法上架的商品的报错日志

[Error] ZaupShop >> Exception in ZaupShop: MySql.Data.MySqlClient.MySqlException (0x80004005): Data too long for column 'itemname' at row 1

  at MySql.Data.MySqlClient.MySqlStream.ReadPacket () [0x00096] in <2c8fc0407a5848dfa91f594842a803e7>:0 

  at MySql.Data.MySqlClient.NativeDriver.GetResult (System.Int32& affectedRow, System.Int64& insertedId) [0x0001e] in <2c8fc0407a5848dfa91f594842a803e7>:0 

  at MySql.Data.MySqlClient.Driver.GetResult (System.Int32 statementId, System.Int32& affectedRows, System.Int64& insertedId) [0x00000] in <2c8fc0407a5848dfa91f594842a803e7>:0 

  at MySql.Data.MySqlClient.Driver.NextResult (System.Int32 statementId, System.Boolean force) [0x00023] in <2c8fc0407a5848dfa91f594842a803e7>:0 

  at MySql.Data.MySqlClient.MySqlDataReader.NextResult () [0x00204] in <2c8fc0407a5848dfa91f594842a803e7>:0 

  at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader (System.Data.CommandBehavior behavior) [0x00313] in <2c8fc0407a5848dfa91f594842a803e7>:0 

  at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader () [0x00000] in <2c8fc0407a5848dfa91f594842a803e7>:0 

  at MySql.Data.MySqlClient.MySqlCommand.ExecuteNonQuery () [0x00033] in <2c8fc0407a5848dfa91f594842a803e7>:0 

  at ZaupShop.DatabaseMgr.AddItem (System.Int32 id, System.String name, System.Decimal cost, System.Boolean change) [0x000ec] in <471770180f68429ab25a4805c88181ef>:0