Message type: E = Error
Message class:  ABADR - Message Class for Characteristic Derivation 
Message number: 072
Message text: Enter a source field or a constant
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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
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The SAP error message ABADR072 ("Enter a source field or a constant") typically occurs in the context of ABAP programming, particularly when defining a field or variable in a data manipulation operation, such as in a SELECT statement, assignment, or data processing logic.
Cause:
This error arises when the system expects a source field or a constant to be specified, but it is either missing or incorrectly defined. Common scenarios include:
Missing Source Field: You may have omitted a field name in an assignment or operation.
Incorrect Syntax: The syntax used to define the source field or constant may be incorrect.
Contextual Misunderstanding: The operation you are trying to perform may not be valid in the current context, leading to the system not recognizing the source.
Solution:
To resolve the ABADR072 error, you can follow these steps:
Check the Code: Review the line of code where the error occurs. Ensure that you have specified a valid source field Get instant SAP help. Sign up for our Free Essentials Plan.
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