Hi Adarsh,
Please change the below lines respectively into the lines given in the right side of the arrow:
1) t_exten+30 = bape_vbap. ----> t_exten-valuepart1 = bape_vbap.
1) t_exten+30 = bape_vbapx. ----> t_exten-valuepart1 = bape_vbapx.
Hope this will work.
Thanks,
Arnab