Message type: E = Error
Message class:  FAGL_ITAXBUPLA - Messages for Commercial Business 
Message number: 017
Message text: The business area must have a value
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 FAGL_ITAXBUPLA017 indicates that a business area must be specified for a particular transaction or entry in the system. This error typically arises in the context of financial postings, particularly when dealing with General Ledger (G/L) accounts, and it is often related to the configuration of the financial document or the data being entered.
Cause: Missing Business Area: The most common cause of this error is that the business area field is left blank when it is required for the transaction being processed. Configuration Settings: The system may be configured to require a business area for certain types of postings, and if the configuration is not aligned with the data being entered, this error can occur. Document Type Settings: Certain document types may have specific requirements for business area entries, and if the document type being used does not allow for a blank business area, this error will be triggered.
Solution: Enter Business
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FAGL_ITAXBUPLA016 The commercial business must have a value
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FAGL_ITAXBUPLA015 The valid-to date must be after the valid-from date
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FAGL_ITAXBUPLA018 The profit center must have a value
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FAGL_ITAXBUPLA019 The segment must have a value
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.