How To Fix /SAPAPO/MAT900 - &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 900

• Message text: &1

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 /SAPAPO/MAT900 - &1 ?

  The SAP error message /SAPAPO/MAT900 typically indicates that there is an issue related to the material master data in the Advanced Planning and Optimization (APO) module. The message usually states that the material is not defined in the APO system or that there is a problem with the material's configuration.
  Cause:
  
  Material Not Defined: The material may not be defined in the APO system, which means it has not been created or activated for use in APO.
  Data Synchronization Issues: There may be synchronization issues between the SAP ERP system and the APO system, leading to missing or outdated material data.
  Incorrect Material Type: The material type may not be compatible with the APO processes.
  Missing Master Data: Required master data (like location, product hierarchy, etc.) may be missing or incomplete.
  
  Solution:
  
  Check Material Definition: Verify if the material is defined in the APO system. You can do this by checking the material master in the APO transaction code /SAPAPO/MAT1.
  Activate Material: If the material is not defined, you may need to create or activate it in the APO system. This can be done through the transaction /SAPAPO/MAT1 or by using the relevant data transfer methods.
  Synchronize Data: Ensure that the data synchronization between the ERP and APO systems is functioning correctly. You may need to run the relevant data transfer programs or check the settings in the CIF (Core Interface).
  Check Master Data: Ensure that all required master data for the material is complete and correctly configured. This includes checking the material type, location, and any other relevant attributes.
  Consult Documentation: Refer to SAP documentation or support notes for any specific guidance related to the error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/MAT1 for material master maintenance and /SAPAPO/CIF for checking CIF settings.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to view and modify material data in the APO system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or APO support team for further investigation.