Hi,

win64 compilation failed:
c:/lazarus/source/bin/ppcx64.exe -Ur -Xs -O2 -n -Fux86_64 -Fusystems -FuC:/lazarus/source/fpcbuild/2.1/fpcsrc/rtl/units/x86_64-win64 -Fix86_64 -FE. -FUx86_64/units/x86_64-win64 -dRELEASE -dx86_64 -dGDB -dBROWSERLOG -Fux86 pp.pas
symsym.pas(519,43) Error: Illegal type conversion: "tderef" to "Int64" symsym.pas(540,29) Error: Illegal type conversion: "Int64" to "tderef" symsym.pas(607,47) Error: Illegal type conversion: "tderef" to "Int64" symsym.pas(2091) Fatal: There were 3 errors compiling module, stopping Fatal: Compilation aborted
make.exe[4]: *** [ppcx64.exe] Error 1

Do I need to create a newer starting compiler?

Or is this just a 64 bit issue?

Vincent