Error "Raw pointer expected to be not null but was null" when using track selection target

[helgoboss]

--- cut ---
Module name: ReaLearn
Module version: v1.12.0-pre12/x86_64 rev de942f (2021-01-20 14:50:42 UTC)
Module base address: 0x7ffb00b10000
Module size: 0xb27000

Message: Raw pointer expected to be not null but was null

0: 0x7ffb011e503d - Extended
1: 0x7ffb011e3559 - Extended
2: 0x7ffb011030ff - MAIN
3: 0x7ffb01201b30 - Extended
4: 0x7ffb010dd244 - MAIN
5: 0x7ffb010dd20f - MAIN
6: 0x7ffb010e41dd - MAIN
7: 0x7ffb010e4ebb - MAIN
8: 0x7ffb00ecfd3f - DllMain
9: 0x7ffb00c2f076 - DllMain

10: 0x7ffb00d9258e - DllMain
11: 0x7ffb00ece13c - DllMain
12: 0x7ffb011385ef - Run
13: 0x140271888 - <unknown>
14: 0x140191cab - <unknown>
15: 0x140190ed4 - <unknown>
16: 0x1403ac865 - <unknown>
17: 0x7ffb55c12920 - ScreenToClient
18: 0x7ffb55c120c2 - ScreenToClient
19: 0x7ffb55c59f99 - UnpackDDElParam
20: 0x7ffb55c0e858 - CallWindowProcW
21: 0x7ffb55c0e299 - DispatchMessageW
22: 0x1403a60e1 - <unknown>
23: 0x1408757a1 - <unknown>
24: 0x7ffb54ae7034 - BaseThreadInitThunk
25: 0x7ffb56abd0d1 - RtlUserThreadStart
--- cut ---

[helgoboss]

With symbols resolved:

Attempting to resolve symbols for 26 addresses
==============================================
        
0: 7ffb011e503d
-----------------------------------
            
Relative: Some(6d503d)
Ours absolute: Some(7ff9aa4c503d)

7ff9aa4c4fb0
backtrace::backtrace::trace<closure-0>
C:\Users\runneradmin\.cargo\registry\src\github.com-1ecc6299db9ec823\backtrace-0.3.53\src\backtrace\mod.rs (line 53)


1: 7ffb011e3559
-----------------------------------
            
Relative: Some(6d3559)
Ours absolute: Some(7ff9aa4c3559)

7ff9aa4c3500
backtrace::capture::Backtrace::new
C:\Users\runneradmin\.cargo\registry\src\github.com-1ecc6299db9ec823\backtrace-0.3.53\src\capture.rs (line 140)


2: 7ffb011030ff
-----------------------------------
            
Relative: Some(5f30ff)
Ours absolute: Some(7ff9aa3e30ff)

7ff9aa3e30c0
reaper_high::log_util::create_reaper_panic_hook::{{closure}}<closure-0>
C:\Users\runneradmin\.cargo\git\checkouts\reaper-rs-d32fed07113e6874\1b06a2f\main\high\src\log_util.rs (line 51)


3: 7ffb01201b30
-----------------------------------
            
Relative: Some(6f1b30)
Ours absolute: Some(7ff9aa4e1b30)

7ff9aa4e19c0
std::panicking::rust_panic_with_hook
/rustc/f0f68778f798d6d34649745b41770829b17ba5b8\/library\std\src\panicking.rs (line 595)


4: 7ffb010dd244
-----------------------------------
            
Relative: Some(5cd244)
Ours absolute: Some(7ff9aa3bd244)

7ff9aa3bd220
std::panicking::begin_panic::{{closure}}<str>
/rustc/f0f68778f798d6d34649745b41770829b17ba5b8\library\std\src\panicking.rs (line 520)


5: 7ffb010dd20f
-----------------------------------
            
Relative: Some(5cd20f)
Ours absolute: Some(7ff9aa3bd20f)

7ff9aa3bd1f0
std::sys_common::backtrace::__rust_end_short_backtrace<closure-0,!>
/rustc/f0f68778f798d6d34649745b41770829b17ba5b8\library\std\src\sys_common\backtrace.rs (line 141)


6: 7ffb010e41dd
-----------------------------------
            
Relative: Some(5d41dd)
Ours absolute: Some(7ff9aa3c41dd)

7ff9aa3c41b0
std::panicking::begin_panic<str>
/rustc/f0f68778f798d6d34649745b41770829b17ba5b8\library\std\src\panicking.rs (line 519)


7: 7ffb010e4ebb
-----------------------------------
            
Relative: Some(5d4ebb)
Ours absolute: Some(7ff9aa3c4ebb)

7ff9aa3c4df0
reaper_high::track::Track::scroll_mixer
C:\Users\runneradmin\.cargo\git\checkouts\reaper-rs-d32fed07113e6874\1b06a2f\main\high\src\track.rs (line 237)


8: 7ffb00ecfd3f
-----------------------------------
            
Relative: Some(3bfd3f)
Ours absolute: Some(7ff9aa1afd3f)

7ff9aa1af610
realearn::domain::reaper_target::{{impl}}::control
D:\a\realearn\realearn\main\src\domain\reaper_target.rs (line 359)


9: 7ffb00c2f076
-----------------------------------
            
Relative: Some(11f076)
Ours absolute: Some(7ff9a9f0f076)

7ff9a9f0efc0
realearn::domain::mapping::MainMapping::control_if_enabled
D:\a\realearn\realearn\main\src\domain\mapping.rs (line 219)


10: 7ffb00d9258e
-----------------------------------
            
Relative: Some(28258e)
Ours absolute: Some(7ff9aa07258e)

7ff9aa070470
realearn::domain::main_processor::MainProcessor<alloc::rc::Weak<core::cell::RefCell<realearn::application::session::Session>>>::run<alloc::rc::Weak<core::cell::RefCell<realearn::application::session::Session>>>
D:\a\realearn\realearn\main\src\domain\main_processor.rs (line 397)


11: 7ffb00ece13c
-----------------------------------
            
Relative: Some(3be13c)
Ours absolute: Some(7ff9aa1ae13c)

7ff9aa1addb0
realearn::domain::control_surface::RealearnControlSurfaceMiddleware<alloc::rc::Weak<core::cell::RefCell<realearn::application::session::Session>>>::run_internal<alloc::rc::Weak<core::cell::RefCell<realearn::application::session::Session>>>
D:\a\realearn\realearn\main\src\domain\control_surface.rs (line 109)


12: 7ffb011385ef
-----------------------------------
            
Relative: Some(6285ef)
Ours absolute: Some(7ff9aa4185ef)

7ff9aa4185d0
reaper_low::control_surface::Run
C:\Users\runneradmin\.cargo\git\checkouts\reaper-rs-d32fed07113e6874\1b06a2f\main\low\src\control_surface.rs (line 219)