LT07 - please specify an internal number range.

Hi,

I am creating transfer order through tcode LT07. But I get error "Please specify an internal number range".

I noticed that in Include "LSNR3F01"on line 144 there is below statement

call 'ThNoGet', there I m getting sy-subrc = 19.

I am not getting what is permanent solution for this? means where to enter Actual internal number range. ??

Pls help.

Regards,