Hi Ark,
This is a common error post system refresh.
Post system copy you have a series of step to be followed (In order to make the new system ready to honour your data requests).
Please find the list in the below urls.
- System Copy Automation for SAP Business Warehouse System Landscapes (BW PCA)
- Post processing steps for SAP BW system copy or db copy
- Post tasks BW System Copy
Best wishes -Ashok