How To Fix M&164 - Enter a number

SAP Error Message - Details

• Message type: E = Error

• Message class: M& -

• Message number: 164

• Message text: Enter a number

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message M&164 - Enter a number ?

  The SAP error message M&164 "Enter a number" typically occurs in the context of material management or inventory management when the system expects a numeric input but receives a non-numeric value instead. This can happen in various scenarios, such as when entering quantities, prices, or other numerical fields.
  Cause:
  
  Non-numeric Input: The most common cause is that the user has entered a character or string in a field that requires a numeric value.
  Field Format: The field may have specific formatting requirements (e.g., decimal places) that are not being met.
  System Configuration: There may be issues with the configuration of the field in the SAP system, such as incorrect data type settings.
  
  Solution:
  
  Check Input: Ensure that you are entering a valid number in the required field. Remove any non-numeric characters (letters, symbols, etc.).
  Correct Format: If the field requires a specific format (like decimal points), make sure to adhere to that format. For example, if the system expects a decimal number, ensure you are using the correct decimal separator (e.g., a period or a comma, depending on your locale settings).
  Field Length: Verify that the number you are entering does not exceed the maximum length allowed for that field.
  Review Documentation: Check the SAP documentation or help files for the specific transaction or module you are working with to understand the expected input format.
  Consult with IT Support: If the issue persists, it may be beneficial to consult with your SAP support team or IT department to investigate any potential configuration issues.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to material management, such as MIGO (Goods Movement), MIRO (Invoice Verification), or others.
  User Training: Ensure that users are trained on the correct data entry procedures to minimize the occurrence of such errors.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or module you are using.
  
  By following these steps, you should be able to resolve the M&164 error and successfully enter the required numeric data in SAP.