How To Fix /SAPAPO/OE016 - Select either by order or by alternative identification

/SAPAPO/OE016 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OE -

• Message number: 016

• Message text: Select either by order or by alternative identification

Self-Explanatory Message

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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/SAPAPO/OE016 - Details

• The SAP error message /SAPAPO/OE016 typically occurs in the context of Advanced Planning and Optimization (APO) when a user attempts to perform an operation that requires a selection of either an order or an alternative identification, but neither has been specified. This error is common in scenarios involving order management, production planning, or similar processes.
  
  Cause:
  The error is triggered when the system expects the user to specify either an order number or an alternative identification (such as a production order, sales order, or similar) but finds that neither has been provided. This can happen due to:
  
  Missing Input: The user did not enter any order or alternative identification in the relevant fields.
  Incorrect Configuration: The system may be configured in a way that does not allow for the selection of orders or alternatives.
  User Role/Authorization Issues: The user may not have the necessary permissions to view or select the required orders or alternatives.
  
  
  Solution:
  To resolve