Message type: E = Error
Message class:  USMDA3 - Message Class for UI of User Interface 
Message number: 081
Message text: &1 &2 Characteristic not filled
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 USMDA3081 typically indicates that a characteristic in a master data record is not filled or is missing a value. This error often occurs in the context of SAP Master Data Management (MDM) or when working with characteristics in various SAP modules, such as SAP Material Management (MM) or SAP Sales and Distribution (SD).
Cause: Missing Data: The characteristic that is referenced in the error message is not filled in the relevant master data record (e.g., material, customer, vendor). Incorrect Configuration: The characteristic may not be properly configured in the system, leading to it being required but not filled. Data Transfer Issues: If data is being transferred from another system or uploaded in bulk, there may be issues with the data mapping or transformation that result in missing values. User Input Error: During data entry, the user may have overlooked filling in the required characteristic.
Solution: Check Master Data: Review the master data record
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
USMDA3080 &1 &2: Value of field &3 is missing
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMDA3079 &1 &2 All texts need to be entered in at least one language
What causes this issue?  According to settings, all (short, medium, and long) texts need to be completely defined in at least one language. The presen...
USMDA3082 &1 &2 Entity with same name &3 already exists; cannot save
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMDA3083 &1 &2: Item &3 must not have subnodes in the hierarchy
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.