[Lazarus] Fatal: (1018) Compilation aborted

[FreeMan]

osx svn lazarus  r47651 qt x64
1-)
/opt/proje_laz/components/rx/rxsortby.pas(66,26) Hint: (5024) Parameter 
"Sender" not used
/Volumes/ram_disk/opt/lazarus/components/lazreport/source/addons/lrOfficeImport/lrspreadsheetimportunit.pas(39,40) 
Fatal: (10022) Can't find unit fpsTypes used by lrSpreadSheetImportUnit
Fatal: (1018) Compilation aborted
Compiling package lr_OfficeImport 0.0: stopped with exit code 256
/opt/proje_laz/components/rx/rxsortby.pas(225,6) Note: (5025) Local 
variable "j" not used
(9001) Assembling (pipe) 
/opt/proje_laz/components/all_libs/rx/x86_64-darwin-qt/rxsortby.s

2-) Why not stop on first error? continue to building, impossible to 
build after fatal error but its not stop.