A quick fix sometimes can be running under gdb
gdb ./project1
and when an exception happens, type
bt
to get a backtrace
thanks! here is backtrace
=========================
(gdb) run
Starting program: /home/uos/Desktop/Winuim/project1
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
Program received signal SIGSEGV, Segmentation fault.
0x00000000005a8114 in CONTROLS$_$TCONTROL_$__$$_FOREIGNANCHORSIDECHANGED$TANCHORSIDE$TANCHORSIDECHANGEOPERATION ()
(gdb) bt
#0 0x00000000005a8114 in CONTROLS$_$TCONTROL_$__$$_FOREIGNANCHORSIDECHANGED$TANCHORSIDE$TANCHORSIDECHANGEOPERATION ()
#1 0x000000000077527c in IMGLIST$_$TCUSTOMIMAGELIST_$__$$_SETHEIGHT$LONGINT ()
#2 0x000000000053aac0 in TYPINFO_$$_SETORDPROP$TOBJECT$PPROPINFO$INT64 ()
#3 0x00000000005004d8 in CLASSES$_$TREADER_$__$$_READPROPVALUE$TPERSISTENT$POINTER ()
#4 0x00000000004ffe40 in CLASSES$_$TREADER_$__$$_READPROPERTY$TPERSISTENT ()
#5 0x00000000004ff204 in CLASSES$_$TREADER_$__$$_READDATA$TCOMPONENT ()
#6 0x00000000004f3950 in CLASSES$_$TCOMPONENT_$__$$_READSTATE$TREADER ()
#7 0x00000000005aa2fc in CONTROLS$_$TCONTROL_$__$$_READSTATE$TREADER ()
#8 0x0000000000500c94 in CLASSES$_$TREADER_$__$$_READROOTCOMPONENT$TCOMPONENT$$TCOMPONENT ()
#9 0x00000000006b1b54 in LRESOURCES$_$INITLAZRESOURCECOMPONENT$TCOMPONENT$TCLASS$$BOOLEAN_$$_INITCOMPONENT$TCLASS$$BOOLEAN ()
#10 0x00000000006b1934 in LRESOURCES_$$_INITLAZRESOURCECOMPONENT$TCOMPONENT$TCLASS$$BOOLEAN ()
#11 0x00000000006a9118 in LRESOURCES_$$_INITRESOURCECOMPONENT$TCOMPONENT$TCLASS$$BOOLEAN ()
#12 0x0000000000499f7c in FORMS$_$TCUSTOMFORM_$__$$_PROCESSRESOURCE ()
#13 0x0000000000499e10 in FORMS$_$TCUSTOMFORM_$__$$_CREATE$TCOMPONENT$$TCUSTOMFORM ()
#14 0x000000000049cfcc in FORMS$_$TFORM_$__$$_CREATE$TCOMPONENT$$TFORM ()
--Type <RET> for more, q to quit, c to continue without paging--ret
formal ()
#16 0x000000000045f0f8 in main () at project1.lpr:18
=====================================
messages without gdb
./project1
[FORMS.PP] ExceptionOccurred
Sender=EReadError
Exception=Error reading Form1.Height: Access violation
Stack trace:
$00000000004FFF74
$00000000004F3950
$00000000005AA2FC
$0000000000500C94
$00000000006B1B54
$00000000006B1934
$00000000006A9118
$0000000000499F7C
$0000000000499E10
$000000000049CFCC
$00000000004A7184
$000000000045F0F8 main, line 18 of project1.lpr
$0000FFFFAF805D24
$000000000045EFC8
TApplication.HandleException Error reading Form1.Height: Access violation
Stack trace:
$00000000004FFF74
$00000000004F3950
$00000000005AA2FC
$0000000000500C94
$00000000006B1B54
$00000000006B1934
$00000000006A9118
$0000000000499F7C
$0000000000499E10
$000000000049CFCC
$00000000004A7184
$000000000045F0F8 main, line 18 of project1.lpr
$0000FFFFAF805D24
$000000000045EFC8