How To Fix S_UNIFIED_CON055 - Forbidden characters in &1 (only 0,1-9,a-z, -, _, / allowed)

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON - Message Class for Unified Connectivity

• Message number: 055

• Message text: Forbidden characters in &1 (only 0,1-9,a-z, -, _, / allowed)

Self-Explanatory Message

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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 S_UNIFIED_CON055 - Forbidden characters in &1 (only 0,1-9,a-z, -, _, / allowed) ?

  The SAP error message S_UNIFIED_CON055 indicates that there are forbidden characters in a specific field or parameter, which is represented by &1. The error specifies that only the following characters are allowed: 0, 1-9, a-z, -, _, and /. This typically occurs when you are trying to input or process data that contains invalid characters.
  Cause:
  The error is triggered when:
  
  You are entering a value in a field that does not conform to the allowed character set.
  The input might include special characters, spaces, or uppercase letters that are not permitted.
  This can happen in various contexts, such as naming conventions for objects, identifiers, or configuration settings.
  
  Solution:
  To resolve this error, you should:
  
  Identify the Field: Check the specific field or parameter indicated by &1 in the error message. This will help you understand where the invalid input is occurring.
  Review Input: Examine the value you are trying to enter. Ensure that it only contains the allowed characters: 0, 1-9, a-z, -, _, and /.
  Correct the Value: Modify the input to remove any forbidden characters. For example:
  
  Replace spaces with underscores (_).
  Convert any uppercase letters to lowercase.
  Remove any special characters that are not allowed.
  
  
  Re-enter the Data: After making the necessary corrections, try to re-enter the data or execute the action that caused the error.
  
  Related Information:
  
  Context: This error can occur in various SAP modules, including but not limited to configuration settings, naming of custom objects, or data entry forms.
  Documentation: Refer to SAP documentation or help resources for specific guidelines on naming conventions and allowed characters for the particular module you are working with.
  Testing: After making changes, it is advisable to test the input in a development or test environment before applying it to production to ensure that the issue is resolved.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting the SAP community for further assistance.