How To Fix G0840 - Data monitor is blocked for period &1/&2

SAP Error Message - Details

• Message type: E = Error

• Message class: G0 - Messages for SAP Consolidation

• Message number: 840

• Message text: Data monitor is blocked for period &1/&2

What causes this issue?

The data monitor was blocked in period &V1&/&V2&. For this reason,
unblocking tasks or executing in update mode is not possible.

System Response

Error message

How to fix this error?

If required, unblock the data monitor again for period &V1&/&V2&
(via the corresponding menu option in the data monitor).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message G0840 - Data monitor is blocked for period &1/&2 ?

  The SAP error message G0840, which states "Data monitor is blocked for period &1/&2," typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with the data monitoring and reporting functionalities. This error indicates that the data monitor is not available for the specified period, which is represented by the placeholders &1 (for the year) and &2 (for the month).
  Cause:
  
  Period Locking: The most common cause of this error is that the specified period is locked for posting. This can happen if the period is closed for financial transactions, or if there are specific settings in the controlling area that prevent data monitoring for that period.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the data for the specified period.
  Configuration Settings: There may be configuration settings in the controlling area or company code that restrict access to certain periods for reporting or monitoring purposes.
  
  Solution:
  
  Check Period Status: Verify if the period is indeed closed for posting. You can do this by checking the period status in the transaction code OB52 (for financial accounting) or in the relevant controlling settings.
  Open the Period: If the period is closed and you need to access it, you may need to open the period for posting. This can be done by an authorized user with the necessary permissions.
  Review Authorizations: Ensure that the user has the appropriate authorizations to access the data for the specified period. This may involve checking user roles and profiles in transaction code PFCG.
  Consult Configuration: If the issue persists, consult with your SAP configuration team to review any settings that may be affecting data monitoring for the specified period.
  
  Related Information:
  
  Transaction Codes: 
  
  OB52: To check and modify the posting periods.
  KOB1/KOB2: To view and analyze CO line items.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the G0840 error message.
  Documentation: Review SAP documentation related to controlling and data monitoring for further insights into period management and reporting.
  
  If the problem continues after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.