Message type: E = Error
Message class: KG - CO-PA Planning
Message number: 451
Message text: Enter a valid period
You entered an invalid period for the year &V1&. The year &V1& contains
&V2& posting periods and special periods &V3& to &V4&.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
As the period for the year &V1&, enter a value between 1 and &V2& or
between &V3& and &V4&.
Check whether you have set planning by week or by period.
Error message extract from SAP system. Copyright SAP SE.
KG451
- Enter a valid period ?The SAP error message KG451 "Enter a valid period" typically occurs in the context of controlling (CO) or financial accounting (FI) when a user attempts to execute a transaction or report that requires a specific period to be entered, but the period provided is either invalid or not recognized by the system. Causes: Invalid Period: The period entered does not exist in the system. This could be due to a typo or selecting a period that is not open for posting. Closed Period: The period may be closed for posting in the system, meaning that no further transactions can be recorded for that period. Fiscal Year Variant Issues: The fiscal year variant may not be set up correctly, or the period does not align with the fiscal year settings. User Authorization: The user may not have the necessary authorizations to access the specified period.
Configuration Issues: There may be configuration issues in the controlling area or
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