How To Fix KW349 - Entry may only contain letters, "_", and "#". It must not remain empty

SAP Error Message - Details

• Message type: E = Error

• Message class: KW - CO-ABC Activity-Based Costing

• Message number: 349

• Message text: Entry may only contain letters, "_", and "#". It must not remain empty

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 KW349 - Entry may only contain letters, "_", and "#". It must not remain empty ?

  The SAP error message KW349 indicates that a certain field or entry you are trying to input contains invalid characters or is empty. This error typically occurs in contexts where specific naming conventions or formats are enforced, such as when creating or modifying certain objects in SAP (like user-defined fields, custom tables, or other configuration settings).
  Cause:
  
  Invalid Characters: The entry you are trying to make includes characters that are not allowed. According to the error message, only letters (A-Z, a-z), underscores (_), and hash symbols (#) are permitted.
  Empty Entry: The field you are trying to fill is empty, which is not allowed in this context.
  
  Solution:
  
  Check Input: Review the entry you are trying to make. Ensure that it only contains valid characters (letters, "_", and "#"). Remove any invalid characters such as spaces, numbers, or special symbols.
  Ensure Non-Empty: Make sure that the field is not left empty. Provide a valid name or value that adheres to the character restrictions.
  Follow Naming Conventions: If you are working within a specific module or area of SAP, check the documentation or guidelines for naming conventions to ensure compliance.
  
  Related Information:
  
  Field Validation: This error is part of SAP's validation checks to ensure data integrity and consistency. Each field may have specific rules that must be followed.
  SAP Documentation: Refer to SAP's official documentation or help resources for more details on the specific context in which you are encountering this error.
  User Forums: If you continue to have issues, consider checking SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to resolve the KW349 error and successfully input your data into SAP.