How To Fix MMRP01016 - Matrix type is incompatible (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 016

• Message text: Matrix type is incompatible (internal error)

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 MMRP01016 - Matrix type is incompatible (internal error) ?

  The SAP error message MMRP01016, which states "Matrix type is incompatible (internal error)," typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when there is an issue with the matrix type configuration or data inconsistency in the system.
  Causes:
  
  Incompatible Matrix Configuration: The matrix type defined for a material may not match the expected configuration for the operation being performed.
  Data Inconsistency: There may be inconsistencies in the data related to the material master or the matrix configuration.
  Custom Development Issues: If there are custom programs or enhancements that manipulate matrix types, they may not be handling certain scenarios correctly.
  System Bugs: There could be bugs in the SAP version you are using that lead to this error under specific conditions.
  
  Solutions:
  
  
  Check Matrix Configuration:
  
  Go to the configuration settings for matrix types in the SAP system and ensure that the matrix type assigned to the material is correctly defined and compatible with the operations you are trying to perform.
  Verify that the matrix type is correctly assigned in the material master record.
  
  
  
  Review Material Master Data:
  
  Check the material master data for any inconsistencies or missing information that could lead to this error.
  Ensure that all required fields are filled out correctly.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program or transaction that triggers the error to identify the root cause.
  Look for any custom code that may be affecting the matrix type handling.
  
  
  
  SAP Notes and Support:
  
  Check the SAP Support Portal for any relevant SAP Notes that address this specific error. There may be patches or updates available that resolve known issues.
  If the problem persists, consider reaching out to SAP support for assistance.
  
  
  
  Testing in a Sandbox Environment:
  
  If possible, replicate the issue in a sandbox environment to test different configurations and identify what specifically triggers the error.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM03 (Display Material), MM02 (Change Material), or SPRO (SAP Reference IMG) to access the relevant configuration and data.
  Documentation: Review SAP documentation related to matrix types and material management for further insights into proper configuration and usage.
  User Forums: Consider checking SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the MMRP01016 error and implement a solution to resolve it.