smartform upload problem

i have download smartforms from 4.7 first and than uploading it in same 4.7 but error occurs as below:

first: "A serious error has occurred

The transaction had to be terminated".

than second: Internal error (illegal structure of data storage)

Message no. SMARTFORMS002.

i can uplodad smartform successfully than and check also successfully,

but while i do final activation it causes above error.

what can be problem, is due to smartforms style problem, but i tried removing all style of text elements, thought it creat that errors,

if any can knhow how to upload smartform successfully and solve above error.

regards,