Cannot construct a support package stack from file C:\usr\sap\trans\EPS\in\SMSDXML_SOL_20150710102541.516.xml. The stack is rejected because there were found kernels with different versions and/or make variants in the stack: 7.21 / and: 7.21EXT / EXT .

Cannot construct a support package stack from file C:\usr\sap\trans\EPS\in\SMSDXML_SOL_20150710102541.516.xml. The stack is rejected because there were found kernels with different versions and/or make variants in the stack: 7.21 / and: 7.21EXT / EXT .

Solution:_

To avoid these errors avoid selecting multiple kernel from the initial stage of xml stack file creation:

Thanks
Yoonus