Message type: E = Error
Message class:  FICODIAN_CUST - Messages for DIAN Magnetic Media Customizings 
Message number: 008
Message text: Enter a valid tax on sales/purchases code.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
You can use the F4 search help to find a valid tax on sales/purchases
code or you can define a tax on sales/purchases code in the Customizing
for <LS>Financial Accounting(New) under Financial Accounting Global
Settings (New) </>-><LS> Financial Accounting Global Settings (New)
</>-><LS> Tax on Sales/Purchases </>-><LS> Basic Settings </>-><LS>
Calculation </>-><LS> Define Tax Codes for Sales and Purchases</>.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FICODIAN_CUST008 indicates that there is an issue with the tax on sales/purchases code entered in the system. This error typically arises when the code provided does not exist in the system or is not valid for the transaction being processed.
Cause: Invalid Tax Code: The tax code entered does not exist in the system or is incorrectly typed. Inactive Tax Code: The tax code may exist but is not active for the current fiscal year or period.
Configuration Issues: There may be configuration issues in the tax settings that prevent the code from being recognized. Missing Master Data: The relevant master data (like customer/vendor master records) may not have the correct tax code assigned.
Solution: Verify Tax Code: Check the tax code entered for any typographical errors. Ensure that it matches the codes defined in the system. Check Tax Code Status: Go to the tax code configuration in SAP (Transaction Code: OB40 or similar)
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FICODIAN_CUST007 Enter a valid Withholding Tax Code.
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Syst...
FICODIAN_CUST006 Enter a valid withholding tax type.
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Syst...
FICODIAN_CUST009 Enter a valid procedure.
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Syst...
FICODIAN_CUST010 Enter a valid classification code.
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Syst...
Click on this link to search all SAP messages.