Message type: E = Error
Message class:  BQ - Messages for Budgeting and Planning 
Message number: 164
Message text: Overall plan value less than cumulative plan value
The overall plan value for one or more operative element(s) is less
than the accumulated plan value.
The accumulated plan value is the total of the annual plan values.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message BQ164, which states "Overall plan value less than cumulative plan value," typically occurs in the context of project management or production planning within SAP. This error indicates that the total planned value for a project or order is less than the cumulative planned value that has already been recorded. This situation can arise in various scenarios, such as when you are trying to adjust or update planning values in a project or production order.
Cause: Data Entry Error: The overall plan value may have been incorrectly entered or updated, leading to a situation where it is less than the cumulative planned value. Changes in Planning: If there have been changes in the planning process, such as reductions in budget or scope, without corresponding adjustments to the cumulative values, this error can occur. Incorrect Configuration: There may be issues with the configuration of the project or order management settings in SAP
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