How To Fix KX373 - Constant cannot be assigned to field &

KX373 - Overview

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 373

• Message text: Constant cannot be assigned to field &

What causes this issue?

No constants can be assigned to this field because of the data type, the
field length, the assigned domain or because of the referencing of
another field.
Fields with domains (to be regenerated) and check tables cannot, in
general, have constants assigned to them, as the field can simply be
left out in this case.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KX373 - Constant cannot be assigned to field & ?

  The SAP error message KX373, which states "Constant cannot be assigned to field &," typically occurs in the context of SAP ABAP programming or when working with certain configurations in SAP modules like Controlling (CO). This error indicates that there is an attempt to assign a constant value to a field that does not accept it, often due to data type mismatches or incorrect field definitions.
  Causes:
  
  Data Type Mismatch: The constant being assigned does not match the expected data type of the field. For example, trying to assign a string to a numeric field.
  Field Definition Issues: The field may not be defined to accept constants or may have restrictions on the values it can take.
  Incorrect Syntax: There may be a syntax error in the code where the assignment is being made.
  Contextual Restrictions: The field may be in a context where it cannot accept a constant value, such as during certain operations