How To Fix NAA452 - Only numbers &1 or blank spaces are allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 452

• Message text: Only numbers &1 or blank spaces are 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NAA452 - Only numbers &1 or blank spaces are allowed ?

  The SAP error message NAA452 ("Only numbers &1 or blank spaces are allowed") typically occurs when a user attempts to enter a value in a field that is restricted to numeric input or blank spaces. This error is often encountered in various SAP transactions or reports where specific fields are expected to contain only numeric values.
  Cause:
  
  Invalid Input: The user has entered non-numeric characters (e.g., letters, special characters) in a field that only accepts numbers or blank spaces.
  Field Configuration: The field may be configured in such a way that it only accepts certain types of input, and the entered value does not meet these criteria.
  Data Type Mismatch: The data type of the field in the underlying database or application logic may only allow numeric values.
  
  Solution:
  
  Check Input: Review the input in the field where the error occurred. Ensure that only numeric values (0-9) or blank spaces are entered.
  Clear Non-Numeric Characters: If you have inadvertently entered letters or special characters, remove them and re-enter the correct numeric value.
  Field Documentation: Refer to the documentation or help text associated with the field to understand the expected input format.
  Validation Rules: If you are developing or customizing the SAP application, check the validation rules associated with the field to ensure they are correctly defined.
  User Training: If this error is common among users, consider providing training or guidelines on the correct data entry practices for the specific transaction or report.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes depending on the context (e.g., creating or updating master data, entering transaction data).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, there may be specific fixes or updates provided by SAP.
  Field Attributes: Review the attributes of the field in the data dictionary (SE11) to understand its data type and constraints.
  Debugging: If you have access to debugging tools, you can trace the program execution to identify where the error is being triggered.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional assistance.