Runtime Error 'java.lang.Class java.lang.Object.getClass()'

Runtime Error
Attempt to invoke virtual method
‘java.lang.Class java.lang.Object.getClass()’
on a null object reference

how can i fix this error?
i tired to use dynamic component and get data from spreadsheet and after data transferred
create cardview reference to the data.
i use dynamic component extension

MARS.aia (2.8 MB)

this my aia file