Message type: E = Error
Message class:  63 - Messages for Real Estate Management 
Message number: 528
Message text: Option rate already exists for calendar month
You have entered an option rate with valid-from date &v1&. However, an
option rate already exists in this calendar month.
The system does not accept your entry.
Either delete the option rate or enter a different valid-from date. You
can only enter one option rate per calendar month.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message "63528: Option rate already exists for calendar month" typically occurs in the context of pricing or financial transactions within SAP, particularly when dealing with option rates in the context of financial instruments or contracts. This error indicates that there is an attempt to create or modify an option rate for a specific calendar month, but a rate for that month already exists in the system.
Cause: Duplicate Entry: The primary cause of this error is that there is already an existing option rate for the specified calendar month in the system. SAP does not allow duplicate entries for option rates within the same month. Incorrect Data Entry: The user may have inadvertently tried to enter the same option rate for the same month again. System Configuration: There may be issues with how the system is configured to handle option rates, leading to unexpected behavior.
Solution: Check Existing Rates: Navigate to the relevant
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