WordPress Site Migration Troubleshooting

I've migrated my WordPress website using a migration plugin but I'm encountering issues post-migration. The new site is loading but with errors. I need a WordPress expert to troubleshoot and resolve these issues.

Ideal skills and experience for the job:
- Extensive experience with WordPress
- Proficiency in troubleshooting site migration issues
- Familiarity with all-in-one migration plugins
- Ability to identify and rectify site errors