How To Fix SCTC_SC153 - Character &1 not allowed in Logical System Name &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SCTC_SC - CTC System Copy

• Message number: 153

• Message text: Character &1 not allowed in Logical System Name &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SCTC_SC153 - Character &1 not allowed in Logical System Name &2 ?

  The SAP error message SCTC_SC153 indicates that there is an issue with the logical system name you are trying to use. Specifically, the error states that a character (denoted as &1) is not allowed in the logical system name (denoted as &2). 
  Cause:
  The logical system name in SAP must adhere to specific naming conventions. Typically, the following rules apply:
  
  The name must consist of alphanumeric characters (A-Z, a-z, 0-9).
  It may include underscores (_), but special characters, spaces, or other symbols are not allowed.
  The name should not exceed a certain length (usually 30 characters).
  
  If you are trying to create or modify a logical system name that includes invalid characters (like special characters, spaces, etc.), you will encounter this error.
  Solution:
  To resolve this error, you should:
  
  Check the Logical System Name: Review the logical system name you are trying to use and ensure it only contains valid characters (alphanumeric and underscores).
  Rename if Necessary: If the name contains invalid characters, rename it to conform to the allowed format. For example, if your logical system name is SYS-1, you could change it to SYS_1 or SYS1.
  Follow Naming Conventions: Ensure that the new name follows the naming conventions set by your organization or SAP guidelines.
  
  Related Information:
  
  Transaction Codes: You can manage logical system names using transaction codes like SALE (for logical system configuration) or SCC4 (for client settings).
  Documentation: Refer to SAP documentation or the SAP Help Portal for more details on naming conventions and logical system configurations.
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or updates regarding logical system naming conventions.
  
  By ensuring that the logical system name adheres to the required format, you should be able to resolve the SCTC_SC153 error.