Backup successful,but send notification is failed.

[lengjunbin-trec]

it throw error.Serialization of 'Closure' is not allowed,I check the logic.maybe the resuce function has problem.

environment: PHP 7.4.24 laravel 7 "spatie/laravel-backup": "^6.16"

[erikn69]

laravel-backup 6.x has no support
Only 8.x has support