How To Fix C-023 - Maximum block & changed

SAP Error Message - Details

• Message type: E = Error

• Message class: C- -

• Message number: 023

• Message text: Maximum block & changed

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 C-023 - Maximum block & changed ?

  The SAP error message C-023 "Maximum block & changed" typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with cost center accounting or internal orders. This error indicates that the maximum number of blocks for a particular object (like a cost center or internal order) has been reached, and changes cannot be made until the block is resolved.
  Cause:
  
  Exceeded Block Limit: Each cost center or internal order can have a maximum number of blocks that can be applied. If this limit is reached, the system will not allow any further changes.
  Configuration Settings: The maximum number of blocks may be set in the configuration settings of the SAP system, and it may be too low for the business processes being executed.
  Data Integrity Issues: There may be issues with data integrity or consistency that are causing the system to apply blocks incorrectly.
  
  Solution:
  
  Review Existing Blocks: Check the existing blocks on the cost center or internal order to see if any can be removed or resolved. This can often be done through transaction codes like KSB1 (Cost Centers: Actual Line Items) or KOB1 (Orders: Actual Line Items).
  Increase Block Limit: If the business process requires more blocks than currently allowed, consider increasing the maximum block limit in the configuration settings. This can typically be done by a system administrator or someone with the appropriate authorization.
  Consult Documentation: Review SAP documentation or consult with your SAP support team to understand the specific configuration settings related to blocks in your system.
  Check for Data Issues: Investigate if there are any data integrity issues that might be causing the blocks to be applied incorrectly. This may involve checking for inconsistencies in master data or transaction data.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSB1, KOB1, and others related to cost center accounting and internal orders.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific guidance or solutions for known problems.
  User Authorization: Ensure that the user has the necessary authorizations to make changes to the cost center or internal order in question.
  Consult SAP Community: If the issue persists, consider reaching out to the SAP Community or forums for additional insights from other users who may have encountered the same error.
  
  If the problem continues after trying these solutions, it may be necessary to engage with your SAP support team or a consultant for further assistance.