How To Fix GZ421 - The field Transaction type is blank!

GZ421 - Overview

• Message type: E = Error

• Message class: GZ - Message class for FI-LC

• Message number: 421

• Message text: The field Transaction type is blank!

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Move the cursor to a transaction type field that is not blank, and
redisplay the master data!

Error message extract from SAP system. Copyright SAP SE.

GZ421 - Details

• The SAP error message GZ421, which states "The field Transaction type is blank," typically occurs in the context of inventory management or goods movement processes. This error indicates that a required field, specifically the transaction type, has not been filled in during a transaction.
  
  Cause:
  
  Missing Transaction Type: The most common cause is that the transaction type field has not been populated. This can happen if the user skips this field or if there is a configuration issue.
  
  Configuration Issues: If the system is not properly configured to handle certain transaction types, it may not recognize or allow the entry of a transaction type.
  User Input Error: Users may inadvertently leave the transaction type blank due to oversight or misunderstanding of the required fields.
  
  
  Solution:
  
  Check Input Fields: Ensure that the transaction type field is filled in correctly. If you are entering data manually, double-check that you have not skipped this field.
  Review Configuration: If you are