Data refresh failed ODBC MySQL version 8 and MySQL 5.6 server in the PowerBI Reporting mach2018

[AlbertoRJSESC]

Error in Schedule Update in Reporting Service:

Propriedades - Teste de conexao com o MySQL - Servidor de Relatórios do Power BI

SessionID: 0defb7a0-e1f4-46ac-bd08-e54a8ab0de49 [0] -1055784934: ODBC: ERROR [22018] [MySQL][ODBC 8.0(a) Driver][mysqld-5.6.26-log]. The exception was
raised by the IDataReader interface.

[v-qiuyu-msft]

Hi @AlbertoRJSESC,

Does the schedule refresh succeed before? 

Would you please check if any error recorded in log files(By default:C:\Program Files\Microsoft Power BI Report Server\PBIRS\LogFiles)? 

Best Regards,
Qiuyun Yu