Crash: mono_get_string_class - EXC_BAD_ACCESS (KERN_INVALID_ADDRESS)

Hey we’re getting a lot of crashes on iOS (various devices on os versions), anyone has a lead for a solution?

Here’s the Crashlytics stack trace:
Crashed: com.apple.main-thread
0 UnityFramework 0x14559b8 mono_get_string_class + 131284
1 UnityFramework 0x14b0a20 DllCanUnloadNow + 190096
2 UnityFramework 0x14b08cc DllCanUnloadNow + 189756
3 UnityFramework 0x14a5dd8 DllCanUnloadNow + 145992
4 UnityFramework 0x1451030 mono_get_string_class + 112460
5 UnityFramework 0x14a3318 DllCanUnloadNow + 135048
6 UnityFramework 0x14a13c4 DllCanUnloadNow + 127028
7 UnityFramework 0x146b480 SystemNative_GetEGid + 48968
8 UnityFramework 0x146b4bc SystemNative_GetEGid + 49028
9 UnityFramework 0x14894ec DllCanUnloadNow + 29020
10 UnityFramework 0x148935c DllCanUnloadNow + 28620
11 UnityFramework 0x1677064 (Missing UUID 450ec17c277230cf8191cf44fc00075d)
12 UnityFramework 0x149f548 DllCanUnloadNow + 119224
13 UnityFramework 0x149f390 DllCanUnloadNow + 118784
14 UnityFramework 0x149d8c0 DllCanUnloadNow + 111920
15 UnityFramework 0x146f144 SystemNative_GetEGid + 64524
16 UnityFramework 0x173dc94 (Missing UUID 450ec17c277230cf8191cf44fc00075d)
17 UnityFramework 0x149f548 DllCanUnloadNow + 119224
18 UnityFramework 0x149f390 DllCanUnloadNow + 118784
19 UnityFramework 0x827998 operator delete[ ](void*, std::nothrow_t const&) + 2001936
20 UnityFramework 0x833e3c operator delete[ ](void*, std::nothrow_t const&) + 2052276
21 UnityFramework 0x843984 operator delete[ ](void*, std::nothrow_t const&) + 2116604
22 UnityFramework 0x843b08 operator delete[ ](void*, std::nothrow_t const&) + 2116992
23 UnityFramework 0x84438c operator delete[ ](void*, std::nothrow_t const&) + 2119172
24 UnityFramework 0x668634 operator delete[ ](void*, std::nothrow_t const&) + 170156
25 UnityFramework 0x73339c operator delete[ ](void*, std::nothrow_t const&) + 1000980
26 UnityFramework 0x7333dc operator delete[ ](void*, std::nothrow_t const&) + 1001044
27 UnityFramework 0x733638 operator delete[ ](void*, std::nothrow_t const&) + 1001648
28 UnityFramework 0xe9c5e8 UnitySendMessage + 5938120
29 UnityFramework 0x1579c (Missing UUID 450ec17c277230cf8191cf44fc00075d)
30 UnityFramework 0x1572c (Missing UUID 450ec17c277230cf8191cf44fc00075d)
31 QuartzCore 0x298a4 CA::smile:isplay::smile:isplayLink::dispatch_items(unsigned long long, unsigned long long, unsigned long long) + 820
32 QuartzCore 0x3984c display_timer_callback(__CFMachPort*, void*, long, void*) + 372
33 CoreFoundation 0x79e44 __CFMachPortPerform + 176
34 CoreFoundation 0x97238 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION + 60
35 CoreFoundation 0x98f28 __CFRunLoopDoSource1 + 520
36 CoreFoundation 0x7a748 __CFRunLoopRun + 2240
37 CoreFoundation 0x7f4dc CFRunLoopRunSpecific + 612
38 GraphicsServices 0x135c GSEventRunModal + 164
39 UIKitCore 0x39d37c -[UIApplication _run] + 888
40 UIKitCore 0x39cfe0 UIApplicationMain + 340
41 UnityFramework 0x152d0 (Missing UUID 450ec17c277230cf8191cf44fc00075d)
42 tilematch 0x7958 main + 36 (main.mm:36)
43 ??? 0x1cad24dec (Missing)

Got similar crash log on firebase…
Have you got any solution yet?