Deprecated: GuzzleHttp\Promise\FulfilledPromise::then(): Implicitly marking parameter $onFulfilled as nullable is deprecated, the explicit nullable type must be used instead in /var/app/current/2020-showmanagementsystem.com/vendor/guzzlehttp/promises/src/FulfilledPromise.php on line 24
Deprecated: GuzzleHttp\Promise\FulfilledPromise::then(): Implicitly marking parameter $onRejected as nullable is deprecated, the explicit nullable type must be used instead in /var/app/current/2020-showmanagementsystem.com/vendor/guzzlehttp/promises/src/FulfilledPromise.php on line 24
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