How To Fix O5206 - Incorrect mask used, enter a series of '*' to completely fill the field.

SAP Error Message - Details

• Message type: E = Error

• Message class: O5 - IS-Oil: MCOE message pool

• Message number: 206

• Message text: Incorrect mask used, enter a series of '*' to completely fill the field.

What causes this issue?

You are using the masking function within plant determination
incorrectly.

System Response

The system displays an error message.

How to fix this error?

Make sure that only trailing characters are masked using '*'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O5206 - Incorrect mask used, enter a series of '*' to completely fill the field. ?

  The SAP error message O5206 ("Incorrect mask used, enter a series of '*' to completely fill the field") typically occurs when you are trying to enter a value in a field that requires a specific format or mask, and the input does not meet the expected criteria. This error is often related to fields that require a certain number of characters or a specific pattern.
  Cause:
  
  Field Length Mismatch: The input value does not match the expected length of the field. For example, if a field is defined to accept 10 characters, and you enter fewer than 10 characters without using the required mask, this error will occur.
  Incorrect Masking: The system expects a certain format (like a series of asterisks * to fill the field), and the input does not conform to this format.
  Data Entry Error: The user may have mistakenly entered an incorrect value or format.
  
  Solution:
  
  Check Field Requirements: Review the field requirements in the SAP documentation or the specific transaction you are using to understand the expected input format.
  Use Asterisks: If the field requires a series of asterisks to fill it completely, enter the correct number of asterisks to match the field length. For example, if the field requires 10 characters, enter **********.
  Correct Input: Ensure that the input you are providing matches the expected format and length. If the field is numeric, ensure you are not entering alphabetic characters, and vice versa.
  Consult with SAP Support: If you are unsure about the correct format or if the issue persists, consult with your SAP support team or refer to SAP Notes for further assistance.
  
  Related Information:
  
  Field Definitions: Check the data dictionary (SE11) for the specific field to understand its properties, including length and format.
  Transaction Codes: The error may occur in various transaction codes, so knowing the context can help in troubleshooting.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional guidance on handling it.
  
  By following these steps, you should be able to resolve the O5206 error and successfully enter the required data in SAP.