Message type: E = Error
Message class:  SEPMRA_PRODUCT - EPM Fiori Ref Apps: Message Class for Product 
Message number: 202
Message text: The height must not be negative
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 SEPMRA_PRODUCT202, which states "The height must not be negative," typically occurs in the context of product master data management, particularly when dealing with product dimensions in the SAP system. This error indicates that a negative value has been entered for the height of a product, which is not valid.
Cause: Data Entry Error: The most common cause is a simple data entry mistake where a user accidentally inputs a negative value for the height of a product. Data Migration Issues: If data has been migrated from another system, there may be inconsistencies or errors in the data that lead to negative values being imported. Default Values: Sometimes, default values set in the system may not be correctly configured, leading to negative values being assigned.
Solution: Check Input Values: Review the product data entry form and ensure that the height value is a positive number. Correct any negative values. Data Validation: Implement validation checks
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
SEPMRA_PRODUCT201 The width must not be negative
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SEPMRA_PRODUCT200 The length must not be negative
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SEPMRA_PRODUCT203 The quantity must not be negative
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SEPMRA_PRODUCT210 The weight must not be negative
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.