iOS startup bug

2020-07-22 10:39:38.637658+0200 Runner[26909:907938] Metal API Validation Enabled
2020-07-22 10:39:39.044630+0200 Runner[26909:908200] 6.28.0 - [Firebase/Core][I-COR000003] The default Firebase app has not yet been configured. Add `[FIRApp configure];` (`FirebaseApp.configure()` in Swift) to your application initialization. Read more: https://goo.gl/ctyzm8.
2020-07-22 10:39:39.044825+0200 Runner[26909:908200] 6.28.0 - [Firebase/Core][I-COR000012] Could not locate configuration file: 'GoogleService-Info.plist'.
2020-07-22 10:39:39.047303+0200 Runner[26909:907938] *** Terminating app due to uncaught exception 'com.firebase.core', reason: '`[FIRApp configure];` (`FirebaseApp.configure()` in Swift) could not find a valid GoogleService-Info.plist in your project. Please download one from https://console.firebase.google.com/.'
*** First throw call stack:
(0x1a9d0c300 0x1a9a20c1c 0x1a9bfbe68 0x104ee7ff4 0x104f9b8d0 0x104f9b724 0x104e9b3e4 0x104e9b8b0 0x1ade4b988 0x1ade4d768 0x1ade53164 0x1ad5c303c 0x1ada8ed68 0x1ad5c3b70 0x1ad5c359c 0x1ad5c398c 0x1ad5c3214 0x1ad5c7930 0x1ad9ad604 0x1adaa8a0c 0x1ad5c766c 0x1adaa88f4 0x1ad5c74c4 0x1ad42dba4 0x1ad42c6a4 0x1ad42d8d4 0x1ade513fc 0x1ad9d3e08 0x1aef6effc 0x1aef955a0 0x1aef79ebc 0x1aef95234 0x11069f18c 0x1106a2964 0x1aefbb6c4 0x1aefbb370 0x1aefbb8dc 0x1a9c87af4 0x1a9c87a48 0x1a9c87198 0x1a9c81f38 0x1a9c818f4 0x1b4098604 0x1ade55358 0x104e9ba14 0x1a9afd2dc)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)