How To Fix REISCA021 - Field can be either header field or item field, but not both

REISCA021 - Overview

• Message type: E = Error

• Message class: REISCA - Information System: General Functions

• Message number: 021

• Message text: Field can be either header field or item field, but not both

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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Smart SAP Assistant

• What is the cause and solution for SAP error message REISCA021 - Field can be either header field or item field, but not both ?

  The SAP error message REISCA021 indicates that there is a conflict in the data entry where a field is being treated as both a header field and an item field simultaneously. This typically occurs in the context of document processing, such as in invoice or purchase order entries, where certain fields are expected to be filled out either at the header level (general information about the document) or at the item level (specific details about individual line items), but not both.
  
  Cause:
  
  Data Entry Error: The user may have inadvertently filled in a field that is meant for either the header or item level, leading to a conflict.
  
  Configuration Issues: There may be issues with the configuration of the document type or the field settings in the SAP system.
  Custom Development: If there are custom enhancements or modifications in the SAP system, they might be causing unexpected behavior in how fields are processed.
  
  
  Solution:
  
  Review Data