How To Fix ICC_NUMBERING021 - Difference in months should not exceed 999

SAP Error Message - Details

• Message type: E = Error

• Message class: ICC_NUMBERING - General Document Numbering

• Message number: 021

• Message text: Difference in months should not exceed 999

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 ICC_NUMBERING021 - Difference in months should not exceed 999 ?

  The SAP error message ICC_NUMBERING021 indicates that there is a discrepancy in the number of months specified in a certain operation or transaction, and this difference exceeds the allowed limit of 999 months. This error typically arises in the context of financial or accounting processes, particularly when dealing with date ranges or periods.
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Date Range Issues: When a date range is specified (for example, in a report or transaction), the difference between the start and end dates exceeds 999 months.
  Configuration Errors: Incorrect configuration in the system that allows for date ranges that are not valid or exceed the permissible limits.
  Data Entry Errors: Manual input of dates that are too far apart, leading to an excessive month difference.
  
  Solution:
  To resolve the ICC_NUMBERING021 error, you can take the following steps:
  
  
  Check Date Inputs: Review the dates you have entered in the transaction or report. Ensure that the difference between the start and end dates does not exceed 999 months.
  
  
  Adjust Date Range: If the date range is too large, consider narrowing it down to fit within the acceptable limits. For example, if you are trying to generate a report for a long period, break it down into smaller segments.
  
  
  Review Configuration: If you have access to system configuration, check the settings related to date handling and ensure they are set correctly. Consult with your SAP Basis or configuration team if necessary.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transaction or report you are working with. There may be additional constraints or requirements that need to be followed.
  
  
  Contact Support: If you are unable to resolve the issue on your own, consider reaching out to your SAP support team or SAP Help Desk for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with the transaction codes related to the process you are working on, as they may have specific requirements for date handling.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.