How To Fix 8A103 - Number & of referenced type is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: 8A - Messages for Argentina

• Message number: 103

• Message text: Number & of referenced type is unknown

What causes this issue?

The number you enterd for the referenced type has not been assigned
before.

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?

You have to enter the number of a withholding type that you have
defined before.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 8A103 - Number & of referenced type is unknown ?

  The SAP error message 8A103 ("Number & of referenced type is unknown") typically occurs in the context of SAP when there is an issue with the reference number or type being used in a transaction or program. This error can arise in various scenarios, such as when dealing with document numbers, material numbers, or other identifiers that are expected to exist in the system.
  Cause:
  
  Invalid Reference Number: The reference number you are trying to use does not exist in the system. This could be due to a typo or because the number has been deleted or never created.
  Incorrect Type: The type of the reference number does not match the expected type in the context of the transaction or program.
  Data Inconsistency: There may be inconsistencies in the database or issues with data migration that lead to the reference number not being recognized.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the referenced object.
  
  Solution:
  
  Verify the Reference Number: Check the reference number you are using to ensure it is correct. Look for any typos or formatting issues.
  Check Existence: Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check if the reference number exists in the relevant table.
  Review the Type: Ensure that the reference number corresponds to the correct type expected by the transaction or program.
  Consult Documentation: Review the documentation for the specific transaction or program to understand the expected input and any constraints.
  Check Authorizations: Ensure that you have the necessary authorizations to access the referenced object. If not, contact your system administrator.
  Data Consistency Check: If you suspect data inconsistency, you may need to run consistency checks or consult with your SAP Basis team to investigate further.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11, SE16, or ST22 (Dump Analysis).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with SAP directly for further assistance.