How To Fix CNV_MBT_USER005 - The character &1 is not allowed as input value.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_USER - DMIS User handling

• Message number: 005

• Message text: The character &1 is not allowed as input value.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_USER005 - The character &1 is not allowed as input value. ?

  The SAP error message CNV_MBT_USER005 indicates that a specific character is not allowed as an input value in a certain field or context. This error typically arises during data migration or transformation processes, particularly when using SAP's Migration Cockpit or similar tools.
  Cause:
  The error is caused by the presence of a character in the input data that is not permitted according to the field's data type or validation rules. This could be due to:
  
  Special characters that are not allowed in the field.
  Incorrect formatting of the input data.
  Data type mismatches (e.g., entering a string in a numeric field).
  Restrictions defined in the data model or migration rules.
  
  Solution:
  To resolve the CNV_MBT_USER005 error, you can take the following steps:
  
  
  Identify the Character: Check the error message for the specific character (denoted as &1) that is causing the issue. 
  
  
  Review Input Data: Examine the input data for the field in question. Look for any special characters, spaces, or formatting issues that may not be allowed.
  
  
  Data Cleansing: Cleanse the data by removing or replacing the invalid character(s). Ensure that the data adheres to the expected format and data type.
  
  
  Check Field Specifications: Review the field specifications in the target system to understand the allowed characters and formats. This may involve checking the data dictionary or migration rules.
  
  
  Modify Migration Rules: If applicable, adjust the migration rules or transformation logic to handle or filter out invalid characters before the data is processed.
  
  
  Testing: After making the necessary changes, re-run the migration or data import process to verify that the error has been resolved.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. SAP frequently updates its documentation and provides solutions for common issues.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, including data validation, cleansing, and transformation techniques.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to identify and resolve the CNV_MBT_USER005 error effectively.