Erro completo: Error: Erro ao escrever arquivo mapping.json
    saveFinalMapping http://172.233.173.244/migration-postgresql-mysql/web-mapping-full.php:510
web-mapping-full.php:519:25
    saveFinalMapping http://172.233.173.244/migration-postgresql-mysql/web-mapping-full.php:519
XHR
POST
http://172.233.173.244/migration-postgresql-mysql/save-mapping-api.php
[HTTP/1.1 500 Internal Server Error 228ms]

Erro completo: Error: Erro ao escrever arquivo mapping.json
    saveFinalMapping http://172.233.173.244/migration-postgresql-mysql/web-mapping-full.php:510
    onclick http://172.233.173.244/migration-postgresql-mysql/web-mapping-full.php:1
web-mapping-full.php:519:25
    saveFinalMapping http://172.233.173.244/migration-postgresql-mysql/web-mapping-full.php:519
    onclick http://172.233.173.244/migration-postgresql-mysql/web-mapping-full.php:1