[PO] APP-PO-14566: Category is invalid, or category is invalid for the item

When you creating a new PR, after entered the category code in Category field, the above message shown. An additional error message also appeared, "APP-FND-01388: Cannot read value for profile option FND_INDICATOR_COLORS in routine &ROUTINE. "

The category code is valid, what can be the cause?

Get the default Category Set from Setup -> Items -> Categories -> Default Category Sets

Query Category Sets in Setup -> Items -> Categories -> Category Sets, check "Enforce List of Valid Categories" checkbox. If the checkbox is checked, the category you need to enter must be exist in the list.