How To Fix PO142 - Start the format with "X", "Y", or "Z"

PO142 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 142

• Message text: Start the format with "X", "Y", or "Z"

What causes this issue?

Paper types, for which there are no SAPscript layout sets, should have
a name beginning with "X". The letters "Y" and "Z" are reserved for
customer-specific and other extensions.

System Response

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

How to fix this error?

When you have pressed Enter to confirm the data specified, you should
check that the paper type conforms to these naming conventions.
Note: These naming conventions are not obligatory.

Error message extract from SAP system. Copyright SAP SE.

PO142 - Details

• The SAP error message PO142, which states "Start the format with 'X', 'Y', or 'Z'," typically occurs in the context of document formatting or output processing, particularly when dealing with purchase orders or other documents that require specific formatting rules.
  
  Cause:
  The error is triggered when the system expects a specific format for a document or output type, and the format provided does not start with the required characters ('X', 'Y', or 'Z'). This is often related to the configuration of output types in SAP, where certain formats are designated for specific purposes, and the system enforces these rules to ensure proper processing.
  
  Solution:
  To resolve the PO142 error, you can take the following steps:
  
  
  Check Output Type Configuration:
  
  Go to the transaction code NACE (or SPRO for configuration).
  Navigate to the relevant application area (e.g., Purchasing).
  Check the output types configured for purchase orders.
  Ensure that the output type you are trying to use starts with 'X', 'Y',