Message type: E = Error
Message class: 0H - Hierarchy module
Message number: 456
Message text: Locked key fields must be output
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0H456
- Locked key fields must be output ?The SAP error message 0H456 ("Locked key fields must be output") typically occurs in the context of data extraction or reporting, particularly when using SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error indicates that certain key fields that are locked for output are not being included in the data extraction or report output.
Cause: The error is usually caused by one of the following reasons: Missing Key Fields: The key fields that are required for the output are not included in the data extraction or report definition.
Configuration Issues: There may be a configuration issue in the InfoObject or InfoProvider that is preventing the key fields from being output. Data Source Settings: The settings in the data source may not be correctly configured to include the necessary key fields. Authorization Issues: Sometimes, authorization settings may restrict access to certain key fields, leading to this error.
Solution: To resolve the error, you can take the following
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