Message type: E = Error
Message class: RSDHA - HANA Analysis in BW
Message number: 809
Message text: Smoothing constant alpha is out of range (0 < alpha < 1)
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
RSDHA809
- Smoothing constant alpha is out of range (0 < alpha < 1) ?The SAP error message RSDHA809 indicates that there is an issue with the smoothing constant alpha in a forecasting model. Specifically, the error states that the value of alpha is out of the acceptable range, which should be between 0 and 1 (exclusive). This error typically occurs in the context of time series forecasting within SAP BW (Business Warehouse) or SAP Analytics Cloud.
Cause: The smoothing constant alpha is a parameter used in exponential smoothing methods for forecasting. If the value of alpha is set to: Less than or equal to 0, or Greater than or equal to 1, the system will throw this error because these values do not make sense in the context of exponential smoothing. The alpha value determines the weight given to the most recent observation relative to the previous forecast. A value of 0 means no weight is given to the most recent observation, while a value of 1 means
Get instant SAP help. Sign up for our Free Essentials Plan.
RSDHA808
Field mapping for VALUE is missing
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSDHA807
Field mapping for 'object ID' is missing
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSDHA810
Number of values to be forecasted is lower than 1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSDHA811
Start time of raw data sequence is lower than 1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.