compilation error mod_fourdvar

[mdottori]

I am trying to compile ROMS with "#define CORRELATION", so I can produce the norm files. However, I am having errors like the ones below. How can I fix it?

mod_fourdvar.f90:563:36:

563 | IF (allocated(FOURDVAR(ng) % NobsSurvey)) THEN
| 1
Error: Symbol ‘fourdvar’ at (1) has no IMPLICIT type
mod_fourdvar.f90:564:30:

564 | deallocate (FOURDVAR(ng) % NobsSurvey)
| 1
Error: Allocate-object at (1) is not a nonprocedure pointer nor an allocatable variable
mod_fourdvar.f90:565:11:

565 | END IF
| 1
Error: Expecting END DO statement at (1)
mod_fourdvar.f90:566:36:

566 | IF (allocated(FOURDVAR(ng) % SurveyTime)) THEN
| 1
Error: Symbol ‘fourdvar’ at (1) has no IMPLICIT type
mod_fourdvar.f90:567:30:

567 | deallocate (FOURDVAR(ng) % SurveyTime)
| 1
Error: Allocate-object at (1) is not a nonprocedure pointer nor an allocatable variable
mod_fourdvar.f90:568:11:

568 | END IF
| 1
Error: Expecting END DO statement at (1)
mod_fourdvar.f90:576:27:

576 | deallocate (ObsType)
| 1
Error: Allocate-object at (1) is not a nonprocedure pointer nor an allocatable variable
mod_fourdvar.f90:579:27:

579 | deallocate (ObsProv)
| 1

[robertson]

What compiler and version are you using?

[mdottori]

GNU Fortran (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0

[mdottori]

What compiler and version are you using?

GNU Fortran (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0

[mdottori]

What compiler and version are you using?

ROMS/TOMS version 4.1 (SVN 1152)