How To Fix REORRS100 - Individual reservation must be entered exactly in the IT_ITEM parameter

REORRS100 - Overview

• Message type: E = Error

• Message class: REORRS - Messages for Reservation

• Message number: 100

• Message text: Individual reservation must be entered exactly in the IT_ITEM parameter

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 REORRS100 - Individual reservation must be entered exactly in the IT_ITEM parameter ?

  The SAP error message REORRS100 indicates that there is an issue with the way individual reservations are being processed in the system. This error typically arises when the system expects a specific format or structure for the input data related to individual reservations, but the provided data does not meet those expectations.
  
  Cause:
  The error message REORRS100 is triggered when:
  
  The IT_ITEM parameter, which is expected to contain individual reservation data, is not populated correctly.
  The data structure or format of the reservations being passed does not match the expected format defined in the SAP function module or method.
  There may be a mismatch in the number of entries or the type of data being sent in the IT_ITEM parameter.
  
  
  Solution:
  To resolve the REORRS100 error, you can take the following steps:
  
  
  Check Data Structure: Ensure that the data being passed to the IT_ITEM parameter is structured correctly. This typically involves checking that:
  
  The correct fields are included.
  The data