Hi,
Around August 21st, all modifiers of this merchant EJNMC813X42E1 turned to unavailable, however, merchant claims that they didn't change them and modifiers are still available on their POS. The Clover API response aslo shows that all modifiers unavailable on this merchant EJNMC813X42E1. Please check the issue behind it.
https://api.clover.com/v3/merchants/EJNMC813X42E1/modifiers?limit=1000