The parameter 'custom_events' or 'custom_events_file' is required for the 'CUSTOM_APP_EVENTS' activity
问题 Upon upgrading from the Facebook iOS SDK version 3.7.1 to 3.8, I started seeing the following in my console log when authenticating with my app through Facebook: FBSDKLog: Error Domain=com.facebook.sdk Code=5 "The operation couldn’t be completed. (com.facebook.sdk error 5.)" UserInfo=0xc5a9cf0 {com.facebook.sdk:HTTPStatusCode=400, com.facebook.sdk:ParsedJSONResponseKey={ body = { error = { code = 100; message = "(#100) The parameter 'custom_events' or 'custom_events_file' is required for the