M&T Bank account import config regularly changes itself to "Stop Importing"

I have multiple M&T Bank accounts under a single login. Some of the accounts are permanently closed, Stessa recognizes this. Some accounts I don’t want to track, so I set to “Stop Importing”. Two of the accounts I want to track, so I set those to “Import and link to…”. Every few days I login to Stessa and check the data sources and one or both of the accounts I have set to import have changed to “Stop Importing” with no action from me. All the while the actual connection to the bank is still active and the balance shown in the Data Sources section is up to date.