Log showing message as “Error Occurred” when page displayed in edit mode. Un-commented the definition of Sitecore_suggested_test_index. The error is not showing up now. Is this index needs to be disabled/enabled for SXA sites?
This error is related to the Sitecore Suggested Tests functionality (related to the MV [A/B] testing).
If you disable the suggested_test_index this feature can't function properly, thus you are receiving various errors (especially in the Exp. Editor)
To cut it short:
- If you want to use the content (a/b or MV) testing feature, just keep the index and everything related to the Content Testing enabled.
- If you want to disable that, please follow this official Sitecore guide to disable the content testing (link)