GENERIC_INTERNAL_ERROR: Dictionary is missing for Page

Hello,

Please refer the below resolution guide that details that this error is typically due to a data type mismatch between the table definition and the source data: https://aws.amazon.com/premiumsupport/knowledge-center/athena-generic-internal-error

As confirmed by you, some queries execute successfully and some queries fail. To address this issue, please verify that the source data files are valid and have the same schema as the table definition.