Solution : https://service.sap.com/sap/support/notes/1498979 (SAP Service marketplace login required)
Summary : 
      In SAP NetWeaver BW, an issue arises during the Data Transfer Process (DTP) where both the “No” and “Cancel” buttons perform the same function in the request dialog, causing redundancy. This glitch stems from a programming error. To resolve this, import the relevant Support Package based on your SAP NetWeaver BW version (7.00 to 7.30) as outlined in specific SAP Notes detailing each package. Prior to the package's availability, advance correction instructions can be applied after consultation of SAP Note 875986 related to transaction SNOTE. This ensures streamlined and error-free data transfer operations.
Key words : 
terms data transfer process, solution sap netweaver bw 7, data transfer process, sap netweaver bw 7, request dialog box, monitor jump reason, sap nw bw 7, 01 bw abap sp08, 30 bw abap sp01, sapbinews nw bi 7
Related Notes : 
       
| 1500078 | SAPBWNews NW BW 7.02 ABAP SP06 | 
| 1471463 | SAPBWNews NW BW 7.01 ABAP SP08 | 
| 1468668 | SAPBWNews NW7.0 BW ABAP Support Package 25 | 
| 1392433 | SAPBINews NW7.11 BW ABAP Support Package 05 |