Message type: E = Error
Message class:  FIOM_LOC - Oman Localization 
Message number: 710
Message text: Specify activity &1 for company code in tax declaration data
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 FIOM_LOC710 indicates that there is a missing or incorrect configuration related to tax declaration data for a specific company code. This error typically arises when the system expects a certain activity to be defined for the specified company code in the tax declaration settings, but it cannot find it.
Cause: Missing Configuration: The company code may not have the necessary tax declaration activities defined in the system. Incorrect Settings: There might be incorrect or incomplete settings in the tax declaration configuration for the company code. Data Entry Error: There could be a mistake in the data entry where the activity is not specified or is incorrectly specified.
Solution: To resolve the FIOM_LOC710 error, follow these steps: Check Tax Declaration Configuration: Go to the SAP Customizing Implementation Guide (SPRO). Navigate to Financial Accounting (New) > Financial Accounting Global Settings (New) > Tax on Sales/Purchases > Tax Declaration. Ensure that the necessary activities are defined for the relevant
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FIOM_LOC709 Incorrect form version &1.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FIOM_LOC708 Specify form version
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FIOM_LOC711 Specify external figures for line &1/&2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FIOM_LOC712 Line &1 is calculated in the program; specify it correctly in customizing
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.