[SELECT bdglin.ttlbdg FROM bdglin,bdglin.recnum Inner Join = {jobcst.jobnum}
and bdglin.cstcde = {jobcst.cstcde}] +
[SELECT sbcgln.bdgprc FROM sbcgln,sbcgln
Inner Join prmchg on sbcgln.recnum = prmchg.recnum,prmchg.jobnum
Inner Join = {jobcst.jobnum} and sbcgln.cstcde = {jobcst.cstcde}
and prmchg.status =1]
Copied and reformatted to make reading easier.
First... look at the 'Inner Join' on the first line; shouldn't it be:
'Inner Join on <field> = <field>'
And again on the last line.
Start with fixing those and then see what else doesn't work.