How To Fix TR109 - Single character / is not permitted


TR109 - Overview

  • Message type: E = Error

  • Message class: TR - Change and Transport System

  • Message number: 109

  • Message text: Single character / is not permitted

  • Show details Hide details
  • What causes this issue?

    Only replacement characters //, /*, /&, /C and /L are allowed in the
    field <LS>Object name</>. However, you entered a single <LB>/</>
    character.

    System Response

    Entry rejected.

    How to fix this error?

    Enter one of the following combinations of characters as the
    replacement combination:
    <LB>// /* /& /C /L</>

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message TR109 - Single character / is not permitted ?
    The SAP error message TR109, which states "Single character / is not permitted," typically occurs in the context of transaction codes or when dealing with certain fields that do not accept single-character inputs. This error can arise in various scenarios, such as when entering transaction codes, defining custom fields, or working with certain configuration settings.
    
    Cause: Invalid Input: The most common cause of this error is that a user has entered a single character (in this case, a forward slash /) in a field that does not accept it. This could happen in transaction codes, field names, or other identifiers. Field Restrictions: Certain fields in SAP have restrictions on the type of characters that can be entered. A single character like / may not be allowed due to these restrictions.
    Solution: Check Input: Review the input field where the error occurred. Ensure that you are not entering a single character / or any other invalid

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