Message type: E = Error
Message class: ACM_SYNTAX - ACM: DCL Syntax Error Messages
Message number: 079
Message text: Comparison between numerical and character-like types not allowed
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ACM_SYNTAX079
- Comparison between numerical and character-like types not allowed ?The SAP error message ACM_SYNTAX079 indicates that there is an attempt to compare numerical and character-like types in your ABAP code, which is not allowed. This error typically arises when you are trying to perform a comparison operation (like =, <>, <, >, etc.) between variables or fields of different data types—specifically, between a numeric type (like I, F, or P) and a character-like type (like C or N).
Cause: Data Type Mismatch: The most common cause is that one of the operands in the comparison is a numeric type while the other is a character type. Implicit Type Conversion: ABAP does not automatically convert between numeric and character types for comparison, which leads to this error. Incorrect Variable Declaration: Sometimes, the variables may not be declared correctly, leading to type mismatches.
Solution: To resolve this error, you need to ensure that both operands in the comparison are of the same data type. Here are some
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