How To Fix RMST1608 - Enter a letter as the first character

RMST1608 - Overview

• Message type: E = Error

• Message class: RMST1 - RMS-TLS: Messages

• Message number: 608

• Message text: Enter a letter as the first character

What causes this issue?

INCLUDE RMS_OUTPUT_CHARACTERS OBJECT DOKU ID TX

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?

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 RMST1608 - Enter a letter as the first character ?

  The SAP error message RMST1608, which states "Enter a letter as the first character," typically occurs in the context of entering data in a field that requires a specific format. This error is often encountered in various SAP transactions where the system expects the first character of an input to be a letter (A-Z or a-z) rather than a number or special character.
  
  Cause:
  The primary cause of this error is that the input field is designed to accept only alphanumeric characters, and the first character of the input does not meet this requirement. This can happen in various scenarios, such as:
  
  Entering a code, name, or identifier that starts with a number or special character.
  Incorrectly formatted data entry in fields that have specific validation rules.
  
  
  Solution:
  To resolve the RMST1608 error, follow these steps:
  
  
  Check Input Format: Ensure that the first character of the input you are trying to enter is a letter (A-Z or