! Missing endcsname inserted.
<to be read again>
alpha
l.2 ...ion when 40is known and 40is unknown}{}
% 2
The control sequence marked <to be read again> should
not appear between csname and endcsname.
! Missing endcsname inserted.
<to be read again>
alpha
l.2 ...ion when 40is known and 40is unknown}{}
% 2
The control sequence marked <to be read again> should
not appear between csname and endcsname.
! Missing number, treated as zero.
<to be read again>
B_Section.1.Point estimation when ${
l.2 ...ion when 40is known and 40is unknown}{}
% 2