How To Fix FRMLDLG159 - Syntax error;special chars asterisk (*) and plus sign (+) are not allowed

FRMLDLG159 - Overview

• Message type: E = Error

• Message class: FRMLDLG - RMS-FRM: Dialog Messages for Formula

• Message number: 159

• Message text: Syntax error;special chars asterisk (*) and plus sign (+) are not allowed

What causes this issue?

In Customizing for the SAP <ZK>Environment, Health and Safety</>
component, you can define a check function depending on the
specification type. This function checks the specification keys
entered. Such a function exists in your system. It rejected the
specification key you entered.
The function also checks whether the specification key contains the
special characters asterisk (*) or plus sign (+). They may not be used
in specification keys.

System Response

The system rejects your entry.

How to fix this error?

Correct the specification key. If necessary, contact your system
administration for information about the syntax that specification keys
of this specification type must follow.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

FRMLDLG159 - Details

• The SAP error message FRMLDLG159 indicates that there is a syntax error in a formula or expression where special characters such as asterisk (*) and plus sign (+) are not allowed. This error typically occurs in contexts where formulas or expressions are being defined, such as in SAP BusinessObjects, SAP BW, or other SAP applications that involve calculations or data manipulation.
  
  Cause:
  
  Invalid Characters: The presence of special characters like * (multiplication) and + (addition) in a formula or expression that does not support them.
  Incorrect Syntax: The formula may not be structured correctly according to the rules of the specific SAP module or tool you are using.
  Contextual Restrictions: Certain fields or contexts may have restrictions on the types of characters that can be used.
  
  
  Solution:
  
  Review the Formula: Check the formula or expression for any instances of the asterisk (*) or plus sign (+) and remove or replace them with valid alternatives.
  Use Alternative Functions: