https://userapps.support.sap.com/sap/support/knowledge/en/2894245
2894245 - Schedules fail with error: " 'DATA_ACCESS_PROBLEMS'. Message = Error while retrieving...
Schedules fail with error: " 'DATA_ACCESS_PROBLEMS'. Message = Error while retrieving data: JCO_ERROR_SYSTEM_FAILURE: Exception condition "X_MESSAGE" triggered"
data accessschedulesfailerror