Message type: E = Error
Message class: OL - Workflow object types: Run-time system
Message number: 318
Message text: Field &-& has an invalid data type
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OL318
- Field &-& has an invalid data type ?The SAP error message OL318, which states "Field &-& has an invalid data type," typically occurs when there is a mismatch between the expected data type of a field and the actual data type being used in a program or configuration. This error can arise in various contexts, such as during data entry, report generation, or when executing a transaction. Causes: Data Type Mismatch: The field in question is expected to have a specific data type (e.g., character, numeric, date) but is receiving a different type. Incorrect Field Mapping: In custom programs or enhancements, fields may be incorrectly mapped to data types that do not match the underlying database or structure definitions.
Configuration Issues: In some cases, configuration settings in the SAP system may lead to incorrect data type definitions. Custom Development Errors: If there are custom ABAP programs or enhancements, there may be coding errors that lead to this issue. Solutions: Check Field Definitions: Verify the
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