MySQL problems with PHP7.4 especially woth Laravel6

Doctrine\DBAL\Driver\PDOException : SQLSTATE[HY000] [2006] MySQL server has gone away at ~/PhpstormProjects/PropscoutFinal/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:31 27| parent::__construct($dsn, (string) $user, (string) $password, (array) $options); 28| $this->setAttribute(PDO::ATTR_STATEMENT_CLASS, [PDOStatement::class, []]); 29| $this->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); 30| } catch (\PDOException $exception) { > 31| throw new PDOException($exception); 32| } 33| } 34| 35| /** Exception trace: 1 PDOException::(“PDO::__construct(): Unexpected server response while doing caching_sha2 auth:…

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cannot execute binary file: Exec format error (aarch64)

I got an error when I tried to open file vesc_tool_2.00. I tried to find the solution, but I failed. Is there any suggestions? Maybe aarch64 is the problem. [email protected]:~$ uname -i aarch64 [email protected]:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.6 LTS Release: 16.04 Codename: xenial [email protected]:~/vesc-tool$ ./vesc_tool_2.00 bash:…

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