Message type: E = Error
Message class:  IW - Order Processing 
Message number: 291
Message text: Enter price unit
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.
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The SAP error message IW291, which states "Enter price unit," typically occurs in the context of creating or processing maintenance orders or service orders in the SAP system. This error indicates that the system requires a price unit to be specified for the order, which is necessary for calculating costs and pricing.
Cause: The error usually arises due to one of the following reasons: Missing Price Unit: The price unit field is not filled in the order or item details.
Configuration Issues: The configuration settings for the order type or the material/service being used may not be set up correctly to allow for price unit entry. Data Entry Error: The user may have overlooked entering the price unit while creating or modifying the order.
Solution: To resolve the IW291 error, you can take the following steps: Enter Price Unit: Navigate to the order creation or modification screen where the error occurred. Locate the field for the price unit (often labeled
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