In Integration Account I have a valid xsd schema uploaded, but it doesn't show up under Agreement's Recieve Settings

Question

I'm new to Integration Account and EDI/B2B transactions in general. I'm trying to setup a test POC for recieving an X12 EDI 832 sample file and decoding it to XML by using the 'Decode X12 Message' Connector in my logic app. I have added dummy partners and an X12 type agreement.

When I triggered the logic app and it failed in the Decode X12 connector with the error like 'No agreement found with Agreement Resolution Parameters...' So I figured a valid schema would be necessary for this to work and added a valid sample schema. But when I try to add/edit the agreement, the schema that I have added in the integration account doesn't show up in the schema section of the agreement. The sample schema file that I have uploaded:[edi_832_schema.txt] (note: I have uploaded it as txt as xsd was not allowed)
I'm not sure what I'm missing or doing wrong. Any help would be appreciated. Thank you