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

G0840 - Overview

• 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