Message type: E = Error
Message class:  KZ - Cost Object Repetitive Mfg / Process Mfg 
Message number: 126
Message text: No reports exist for the chosen object
You cannot run a report for the selected object because
no reports have been imported from the source client
no reports have been generated
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Go into Customizing and generate the standard reports for the cost
object hierarchies.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message KZ126 ("No reports exist for the chosen object") typically occurs in the context of SAP Controlling (CO) when a user attempts to access reports or information related to a specific object (such as a cost center, internal order, or profit center) but the system cannot find any associated reports.
Causes:
No Data Available: The most common cause is that there are no transactions or data entries for the selected object. If no costs or revenues have been posted to the object, there will be no reports to display.
Incorrect Object Selection: The user may have selected an object that does not exist or is not relevant for the reporting period.
Authorization Issues: The user may not have the necessary authorizations to view the reports for the selected object.
Report Configuration: The report may not be configured correctly, or the report variant may not be set up to include the selected object.
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