This article provides a patch for Adobe Commerce 2.3.x users with the split database solution that experience a 404 error when trying to use Advanced Reporting.
Adobe Commerce 2.3.0 - 2.3.5-p1
The patch fixes the issue where the wrong connection name is used to collect quotes data. Due to the wrong connection name being used, the quote data is not sent to Magento Business Intelligence (MBI) and the reports cannot be generated.
Apply the patch provided in this article.
The patch is attached to this article. To download it, click the following link:
Unzip the file and follow the instructions in How to apply a composer patch provided by Adobe.