Atlassian Jira: Error creating Issue on Jira Service Desk using PHP REST API

Have created a Next-Gen Service Project using Atlassian Jira Service Management with functional workflow.

Now wish to use PHP based Restful API to create tickets and getting error message. Looking for a Freelancer who can resolve this error and get ticket created using API:

Reference PHP code used for creating API:

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Error Message Received:

"Error(s) creating issue: object(stdClass)#1 (2) { ["errorMessages"]=> array(0) { } ["errors"]=> object(stdClass)#2 (5) { ["customfield_10064"]=> string(89) "Field 'customfield_10064' cannot be set. It is not on the appropriate screen, or unknown." ["customfield_10065"]=> string(89) "Field 'customfield_10065' cannot be set. It is not on the appropriate screen, or unknown." ["customfield_10066"]=> string(89) "Field 'customfield_10066' cannot be set. It is not on the appropriate screen, or unknown." ["customfield_10067"]=> string(89) "Field 'customfield_10067' cannot be set. It is not on the appropriate screen, or unknown." ["Vehicle_ID1"]=> string(83) "Field 'Vehicle_ID1' cannot be set. It is not on the appropriate screen, or unknown." } }"

Please assist.

PHP RESTful Atlassian Jira

Nº del proyecto: #29464272

Sobre el proyecto