I saw Angi had the identical problem in 2022. it is now 2026 and this is still an issue. Is there now a solution? If so, I cannot find it. See:
https://community.quicken.com/discussion/7917757/new-chase-update-method-wont-allow-different-accounts-with-different-logins-to-be-active?utm_source=community-search&utm_medium=organic-search&utm_term=i+have+2+chase+logons+if+i+activate+one+the+other+is+deactivated