How To Fix REORRS002 - Enter the reservation object

SAP Error Message - Details

• Message type: E = Error

• Message class: REORRS - Messages for Reservation

• Message number: 002

• Message text: Enter the reservation object

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.

What else can you do?

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message REORRS002 - Enter the reservation object ?

  The SAP error message REORRS002, which states "Enter the reservation object," typically occurs when a user attempts to create or process a reservation in the SAP system without specifying a required reservation object. This error is common in modules related to materials management (MM) and production planning (PP).
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Input: The user did not enter a reservation object (such as a material number, order number, or project number) in the relevant field.
  Incorrect Transaction: The transaction being executed may not be appropriate for the type of reservation being processed.
  Configuration Issues: There may be issues with the configuration of the reservation types or the settings in the SAP system that require specific fields to be filled.
  
  Solution:
  To resolve the REORRS002 error, you can take the following steps:
  
  
  Check Input Fields: Ensure that you have entered all required fields, especially the reservation object. Make sure that the object you are trying to reference is valid and exists in the system.
  
  
  Review Transaction: Verify that you are using the correct transaction code for the operation you are trying to perform. For example, if you are trying to create a reservation, ensure you are using the appropriate transaction (e.g., MB21 for creating reservations).
  
  
  Consult Documentation: Refer to SAP documentation or help files for the specific transaction you are using to understand what inputs are required.
  
  
  Check Configuration: If you have access, check the configuration settings for reservations in the SAP system. Ensure that the reservation types and related settings are correctly configured.
  
  
  User Authorization: Ensure that you have the necessary authorizations to create or modify reservations in the system.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or system administrator for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to reservations include:
  
  MB21: Create Reservation
  MB22: Change Reservation
  MB23: Display Reservation
  
  
  SAP Modules: This error is primarily associated with the Materials Management (MM) and Production Planning (PP) modules.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  By following these steps, you should be able to identify and resolve the issue causing the REORRS002 error in SAP.