How To Fix LRM051 - Constant type &1 not allowed

LRM051 - Overview

• Message type: E = Error

• Message class: LRM - Customizing

• Message number: 051

• Message text: Constant type &1 not allowed

What causes this issue?

Only the fixed values of domain LRM_CONSTANT_TYPE are allowed.

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?

Choose an allowed constant type.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LRM051 - Constant type &1 not allowed ?

  The SAP error message LRM051 indicates that a constant type is not allowed in the context where it is being used. This error typically arises in ABAP programming when you are trying to use a constant in a way that is not permitted by the language syntax or the specific context of the code.
  
  Cause:
  The error can occur due to several reasons:
  
  Incorrect Data Type: You might be trying to use a constant of a type that is not compatible with the expected type in the operation or function.
  Contextual Restrictions: Certain operations or function calls may not allow the use of constants directly, requiring variables instead.
  Syntax Errors: There may be a syntax error in the code that leads to the misinterpretation of the constant type.
  
  
  Solution:
  To resolve the LRM051 error, consider the following steps:
  
  
  Check Data Types: Ensure that the constant you are using is of the correct data type expected by the operation