How To Fix MCW_AA127 - Entry contains invalid characters. See long text

SAP Error Message - Details

• Message type: E = Error

• Message class: MCW_AA - Messages for BW Interface Analytical Applications

• Message number: 127

• Message text: Entry contains invalid characters. See long text

What causes this issue?

You have used special characters in the entry, which can lead to
problems when using the query later on.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Do not use any special characters in this field. Instead, only use
characters that meet the following specifications:
Letters: <ZH>&V1&</> or <ZH>&V2&</>
Numbers: <ZH>&V3&</>
Separators: <ZH>&V4&</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MCW_AA127 - Entry contains invalid characters. See long text ?

  The SAP error message MCW_AA127, which states "Entry contains invalid characters. See long text," typically occurs when there are invalid characters in the input fields of a transaction or program. This can happen in various contexts, such as when entering data in a form, uploading files, or processing data in a specific module.
  Cause:
  
  Invalid Characters: The input data may contain characters that are not allowed in the specific field. This could include special characters, spaces, or non-alphanumeric characters that the system does not recognize.
  Data Format Issues: The data may not conform to the expected format (e.g., numeric fields containing letters).
  Field Length Exceeded: The input may exceed the maximum length allowed for a particular field.
  Configuration Issues: There may be configuration settings in the system that restrict certain characters or formats.
  
  Solution:
  
  Check Input Data: Review the data you are entering or uploading. Ensure that it only contains valid characters as per the field requirements.
  Refer to Long Text: The error message suggests checking the long text for more details. This can provide specific information about which field is causing the issue and what characters are considered invalid.
  Data Format Validation: Ensure that the data adheres to the expected format. For example, if a field expects a numeric value, ensure that no letters or special characters are included.
  Field Length: Verify that the data does not exceed the maximum length defined for the field.
  Consult Documentation: If available, refer to the SAP documentation or help files related to the specific transaction or module you are working with for additional guidance.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., MM, SD, FI).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to enter data in the specific fields.
  Testing in Development: If you are working in a development environment, test the input in a controlled manner to identify the exact cause of the error.
  
  By following these steps, you should be able to identify and resolve the issue causing the MCW_AA127 error in SAP.