How To Fix PTRA_WEB_INTERFACE133 - Schema switch and ext. instead of int. number assignment not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: PTRA_WEB_INTERFACE - Messages in Package PTRA_WEB_INTERFACE

• Message number: 133

• Message text: Schema switch and ext. instead of int. number assignment not possible

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 PTRA_WEB_INTERFACE133 - Schema switch and ext. instead of int. number assignment not possible ?

  The SAP error message PTRA_WEB_INTERFACE133 typically indicates an issue related to the schema switch and the assignment of external versus internal number ranges in the context of the SAP system. This error can occur in various scenarios, particularly when dealing with number ranges for documents or transactions in SAP.
  Cause:
  
  
  Schema Switch Issue: The error suggests that there is a problem with the schema switch, which is a mechanism that allows the system to switch between different number range schemas. This can happen if the system is trying to assign an external number to a document that is configured to use an internal number range, or vice versa.
  
  
  Configuration Mismatch: There may be a mismatch in the configuration settings for number ranges in the relevant application area. For example, if the system is set to use internal number assignment but an external number is being provided, this error will occur.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the action that is causing the error.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the relevant transaction (e.g., SNRO for number range objects) and check the configuration for the number range object that is causing the issue.
  Ensure that the number range is correctly set up for either internal or external assignment as per your business requirements.
  
  
  
  Review Schema Settings:
  
  Verify the schema settings in the relevant configuration area (e.g., in the customizing settings for the application you are working with).
  Ensure that the schema is correctly defined and that it matches the expected number assignment type.
  
  
  
  Adjust Document Settings:
  
  If applicable, check the document type settings to ensure that they are configured to use the correct number assignment method (internal or external).
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to perform the action that is causing the error. This may involve checking roles and authorizations in the user profile.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  
  Testing:
  
  After making any changes, perform tests to ensure that the issue is resolved and that the system behaves as expected.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SNRO (Number Range Objects), OBA7 (Number Range Maintenance), and others relevant to your specific application area.
  Documentation: Review SAP documentation related to number range management and schema configuration for the specific module you are working with.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.