Message type: E = Error
Message class:  MMRP01 - Rapid Planning Matrix 
Message number: 190
Message text: Internal error occurred: too many matrices when transposing
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.
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.
The SAP error message MMRP01190 indicates that an internal error has occurred due to "too many matrices when transposing." This error typically arises in the context of material requirements planning (MRP) or when dealing with matrix operations in SAP, particularly in the context of planning or reporting functions.
Cause: Excessive Data Volume: The error often occurs when the system is trying to process a large volume of data or matrices that exceed the internal limits set by SAP. Complexity of the Data: If the data being processed involves complex calculations or a high number of variants, it can lead to this error. System Configuration: There may be configuration settings that are not optimized for the volume of data being processed. Software Bugs: Occasionally, this error can be triggered by bugs in the SAP software or specific transactions.
Solution: Reduce Data Volume: Try to limit the amount of data being processed at one time. This can be done
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
MMRP01189 Error when accessing RPM COM routines: operation no longer supported
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
MMRP01188 Internal error occurred: bad target vecs
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
MMRP01191 Internal error occurred: component variant not found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
MMRP01192 Internal error occurred: problems with cross call
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.