Error using library clpfd. Module clpfd seems to be unusable until manually loaded

Help!
3

OK.

So I should not be thinking that because I loaded the libary(clpfd) from my module my_clpfd the predicates in library(clpfd) are accessible at the top level, user.

Thanks.

EDIT

For others also curious about understanding this.

Welcome to SWI-Prolog (threaded, 64 bits, version 8.3.25)

...

?- current_predicate(Module:in/N_).
false.

?- X in 1..2.
ERROR: Syntax error: Operator expected
ERROR: X
ERROR: ** here **
ERROR:  in 1..2 . 
?- working_directory(_,'C:/Users/Eric/Documents/Projects/SWI-Prolog/XYZ').
true.

?- [my_clpfd].
true.

?- current_predicate(Module:in/N_).
Module = clpfd,
N_ = 2 ;
Module = my_clpfd,
N_ = 2 ;
false.

?- X in 1..2.
ERROR: Syntax error: Operator expected
ERROR: X
ERROR: ** here **
ERROR:  in 1..2 . 
?- use_module(library(clpfd)).
true.

?- current_predicate(Module:in/N_).
Module = user,
N_ = 2 ;
Module = clpfd,
N_ = 2 ;
Module = my_clpfd,
N_ = 2 ;
false.

?- X in 1..2.
X in 1..2.

Also see:
Properties of modules and predicates
Interacting with modules from the top level