You can use these articles to resolve common LinkedIn Ads connector issues. Each article covers one problem.
Connection and access
Resolve connection issues for Company Demographic Reports in LinkedIn Ads: You cannot connect a Company Demographic Report even with the correct ad account permissions.
Troubleshoot
REVOKED_ACCESS_TOKENin LinkedIn Ads: Your LinkedIn Ads data sources stop downloading and show a 401 Unauthorized error.
Data mismatches and reporting
Troubleshoot demographic metrics mismatch in LinkedIn Ads: Demographic metrics look missing, inconsistent or different from LinkedIn exports.
Troubleshoot missing Campaign or Campaign Group data in LinkedIn Ads: Campaign or Campaign Group dimensions and metrics are missing for some entities.
Troubleshoot Creative name mismatch in LinkedIn Ads: The Creative name in Funnel does not match what you see in LinkedIn Campaign Manager.
Dimensions
Troubleshoot missing Creative dimensions in LinkedIn Ads: Some Creatives are missing dimensions such as Creative name in Data Explorer.