--- title: Lightning component no longer loads after updating the server-side configuration slug: o85b7177 canonical_url: https://docs.coveo.com/en/o85b7177/ collection: coveo-for-salesforce source_format: adoc --- # Lightning component no longer loads after updating the server-side configuration ## Symptom After you [update the server-side configuration](https://docs.coveo.com/en/1162/), your Coveo Lightning component becomes unresponsive (for example, it fails to load). ## Possible cause Your JSON configuration is invalid (for example, it contains invalid characters). ## Resolution . In the **Query Editor** of the [Salesforce Developer Console](https://help.salesforce.com/s/articleView?id=sf.code_dev_console.htm&type=5), run the following SOQL query: ```sql SELECT ID, CoveoV2__Configuration__c FROM CoveoV2__CoveoLightningSettings__c ``` . In the **Query Results** grid, access the `CoveoV2\__Configuration__c` field. . Use a JSON validator to validate your JSON configuration. . Update your JSON configuration as required, and then click **Save Rows** to apply your changes.