How To Fix CNV_IUUC_REPL_ADV_SE172 - Special characters other than '/' and '_' are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS

• Message number: 172

• Message text: Special characters other than '/' and '_' are not allowed

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPL_ADV_SE172 - Special characters other than '/' and '_' are not allowed ?

  The SAP error message CNV_IUUC_REPL_ADV_SE172 indicates that there are special characters in the data that are not allowed during the replication process. Specifically, it states that only the characters '/' and '_' are permitted, and any other special characters will trigger this error.
  Cause:
  This error typically occurs during data replication processes, especially when using SAP Landscape Transformation (SLT) or similar tools. The root cause is usually related to the data being processed, where certain fields contain special characters that are not compliant with the expected format. This can happen in various scenarios, such as:
  
  Data being extracted from a source system that contains invalid characters.
  Configuration settings that do not properly handle or sanitize input data.
  Manual data entry errors where special characters were inadvertently included.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Source of the Data:
  
  Determine which table or field is causing the issue. This may involve checking logs or error messages that provide more context.
  
  
  
  Data Cleansing:
  
  Review the data in the identified fields and remove or replace any special characters other than '/' and '_'. This can be done using data cleansing tools or scripts.
  You can use SQL queries or data transformation tools to identify and modify the problematic entries.
  
  
  
  Validation:
  
  Implement validation rules in the source system to prevent the entry of invalid characters in the future. This can include input validation checks or constraints on the database level.
  
  
  
  Testing:
  
  After making the necessary changes, re-run the replication process to ensure that the error has been resolved.
  
  
  
  Documentation:
  
  Document the changes made and any validation rules implemented to ensure that the issue does not recur.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the CNV_IUUC_REPL_ADV_SE172 error for any specific patches or updates that may address this issue.
  SLT Configuration: Review the configuration settings of your SLT setup to ensure that it is correctly configured to handle the data being replicated.
  Data Model: Ensure that the data model in the target system is compatible with the data being replicated, especially regarding field types and allowed characters.
  
  By following these steps, you should be able to resolve the CNV_IUUC_REPL_ADV_SE172 error and ensure smooth data replication in your SAP environment.