Setup an approval rule in invoice appr spreadsheet to compare inv amt and supp site dff amt

Summary:

We want to setup an approval rule in invoice approval spreadsheet to compare invoice amount and amount mentioned under supplier site descriptive flexfield attribute number 1 . But when we are trying to put a condition under the supplier site descriptive flexfield attribute number 1, the spreadsheet upload fails.

error:

FUN:::FUN_SRC_INVAL_ATTR_VAL messageDescription: You must enter a valid numeric value for the Supplier Site DFF.Supplier Site Descriptive Flexfield Number 1 attribute.

We are using an condition :

not null and greater than Invoice Header.Invoice Amount:

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):