How To Fix MA820 - Invalid period (contains characters other than 0-9)

MA820 - Overview

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 820

• Message text: Invalid period (contains characters other than 0-9)

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 MA820 - Invalid period (contains characters other than 0-9) ?

  The SAP error message MA820, which states "Invalid period (contains characters other than 0-9)," typically occurs when a user attempts to enter a period in a transaction or report that is not formatted correctly. This error indicates that the input for the period field contains invalid characters, such as letters or special symbols, instead of the expected numeric format.
  
  Cause:
  
  Incorrect Input: The most common cause is that the user has entered a period value that includes non-numeric characters (e.g., letters, spaces, or special characters).
  Formatting Issues: Sometimes, the input might be copied from another source (like a spreadsheet) that includes hidden characters or formatting that SAP does not recognize.
  User Error: Users may mistakenly enter the wrong period format, such as entering a month as "Jan" instead of "01".
  
  
  Solution:
  
  Check Input: Ensure that the period is entered as a numeric value. For example, if you are entering a month, it should be in the