paymentservice/resources/lang/en/errors.php

<?php
return [
    'model_not_found' => 'Does not exist any instance of :model with given id',
    'unexpected_error' => 'Unexpected error. Try later',
    'validation_error' => 'The field :field has :validation',
    'service_unavailable' => 'Service unavailable',
    'timeout' => "The server did not receive a complete response within the timeout period. Please Try again later",
    'network_not_taken' => "Network not taken into account",
    'service_unavailable_try_later' => "Service not available. please try again later"

];