Add the Report ID field on "Reports" report type
|Knowledge Article Number||000214231|
Let us walk you through how to get the Report ID field added to the "Report" report.
|Resolution||1. Create a Custom Report Type.
2. Open the report type you just created (Setup | Create | Report Types)
3. Go to Fields Available for Reports and click Edit Layout button.
4. Check if you have the field "Report ID" under the selected fields.
5. Click Save.
NOTE: When you create the custom report type for Reports (Report chosen as Primary Object), Report ID is already included in the available fields as default.