How To Fix GB421 - Line & does not exist

GB421 - Overview

• Message type: E = Error

• Message class: GB - Messages used by the Boolean code generator

• Message number: 421

• Message text: Line & does not exist

What causes this issue?

You are using the simulation or trace function in a matrix validation
or sbstitution. Such validations (or substitutions) process data in the
form of flat structures and internal tables. In your case the table has
the line structure type &V3&. You entered a line index (&V1&) that is
either greater than the total number of lines in the table (&V2&) or is
less than one.

System Response

Input is interrupted.

How to fix this error?

Enter a number between one and &V2&. If you want to add a new table
line, choose <LS>Edit -> Insert table line</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GB421 - Line & does not exist ?

  The SAP error message GB421 ("Line & does not exist") typically occurs in the context of financial documents, such as invoices or purchase orders, when the system is unable to find a specific line item that is expected to be present in the document. This can happen for various reasons, and understanding the cause is crucial for resolving the issue.
  Causes:
  
  Line Item Deletion: The line item may have been deleted or not created properly in the document.
  Incorrect Document Reference: The document number or reference being used may be incorrect, leading to the system not finding the expected line item.
  Data Entry Errors: There may be typographical errors in the line item number or other related fields.
  Document Status: The document may be in a status that does not allow for certain operations, such as being locked or in a draft state.
  
  Configuration Issues: There may be configuration settings in the SAP system that are