ARM Error Undefined FPTR Name

[sunhp]

Here is a very simple ARM assembly source.
When I build it and EVAL I get : Error Undefined FPTR Name
Why ?

"!RPL
CODE
SAVE

!ARM
STMDB sp! {R4 R5 R6 R7 R8 LP}
LDMIA sp! {R4 R5 R6 R7 R8 PC}

!ASM
LOADRPL
ENDCODE
;
@"