Message type: E = Error
Message class:  APPL_MM_PUR_MCOND - Master Conditions Messages 
Message number: 010
Message text: Condition could not be saved. Assign an order unit for this info record
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 APPL_MM_PUR_MCOND010 indicates that there is an issue with saving a condition record in the purchasing module, specifically related to the assignment of an order unit for the info record. This error typically arises when you are trying to create or modify a condition record in the system, but the required order unit is not assigned or is missing.
Cause: Missing Order Unit: The most common cause of this error is that the info record does not have an order unit assigned. The order unit is necessary for the system to understand how to process the conditions related to purchasing. Incorrect Info Record Configuration: The info record may not be properly configured, leading to issues when trying to save conditions. Data Inconsistencies: There may be inconsistencies in the data entered, such as incorrect material or vendor information.
Solution: To resolve this error, you can follow these steps: Check Info Record: Go to the transaction code
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
APPL_MM_PUR_MCOND009 Info record cannot be saved. Enter a condition first
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
APPL_MM_PUR_MCOND008 Net price must be greater than 0
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
APPL_MM_PUR_MCOND011 Mentioned Validity Period already exists
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
APPL_MM_PUR_OA_CON011 Contract type &1 is not valid for this contract
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.