Trouble adding my iCloud address to Spark
I installed Spark as an alternative to Mail for my iCloud and Gmail addresses and for the iCloud one it asks for an app-specific password generated by Apple just for this program but with any of the automatically generated passwords it says "Authentication Error" because it could be wrong. But it's not wrong because I tried many times, even without the dashes. If anyone had the same problem and found a way to fix it please tell me.
MacBook Pro (M1, 2020)