laravel Migration Specified key was too long problem

https://stackoverflow.com/questions/42244541/laravel-migration-error-syntax-error-or-access-violation-1071-specified-key-wa

check if

'mysql' => [
    ...,
    ...,
    'engine' => env('DB_ENGINE', 'InnoDB'),
 ]

or
InnoDB ROW_FORMAT=DYNAMIC solve the problem,

if still error, try accepted answer about Schema::defaultStringLength(191);