How To Fix 5P023 - Only the characters < = > are allowed

5P023 - Overview

• Message type: E = Error

• Message class: 5P - Error Messages for Schema, Pers.Calc.Rule and Feature Checks

• Message number: 023

• Message text: Only the characters < = > are allowed

What causes this issue?

You have used incorrect characters in the operation or variable key.

How to fix this error?

Read the related documentation and correct your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 5P023 - Only the characters < = > are allowed ?

  The SAP error message 5P023: "Only the characters < = > are allowed" typically occurs when there is an issue with the input data in a selection screen or a field that expects a specific format. This error is often related to the use of comparison operators in fields where only certain characters are permitted.
  
  Cause:
  
  Invalid Characters: The error is triggered when the input contains characters other than the allowed comparison operators (<, =, >). This can happen if a user mistakenly enters invalid characters or if there is a formatting issue in the data being processed.
  Field Type Mismatch: The field may be expecting a numeric or date value, but the input does not conform to the expected format.
  Custom Code or Enhancements: If there are custom programs or enhancements in the system, they might not be handling input validation correctly.
  
  
  Solution:
  
  Check Input Values: Ensure that the input values in the selection screen