10000318 
Message
Enter tax code valid for sales (A/R)
Diagnosis
In the Tax Codes - Setup window, in the Code column, you have attempted to enter a tax code that is valid for purchasing (A/P). However, you want to set up a tax code for sales (A/R).
Procedure
In the Tax Codes - Setup window, in the Code column, enter a tax code that is valid for sales.