Random crashes in Android build

Hello All, Our game is crashing randomly at random places. From Firebase Crashlytics, we get the following stack trace,

Unity Version: 2019.3.14f1

 Caused by java.lang.Error: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
 Version '2019.3.14f1 (2b330bf6d2d8)', Build type 'Release', Scripting Backend 'mono', CPU 'armeabi-v7a'
 Build fingerprint: 'Lava/X41_Plus/X41_Plus:6.0/MRA58K/147:user/release-keys'
 Revision: '0'
 ABI: 'arm'
 Timestamp: 2020-09-16 10:48:10+0530
 pid: 24857, tid: 29715, name: UnityMain  >>> com.silvercenturion.solitairegold <<<
 uid: 10136
 signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
 Cause: null pointer dereference
     r0  00000000  r1  00000001  r2  8202fa90  r3  8202f930
     r4  9e851068  r5  9e85106c  r6  00000003  r7  00000000
     r8  00000000  r9  93638e00  r10 8202e110  r11 93638e00
     ip  8202faf0  sp  8202e080  lr  9debcacc  pc  9dcb1d76
 
 backtrace:
       #00 pc 00433d76  /data/app/com.silvercenturion.solitairegold-1/lib/arm/libunity.so (BuildId: 0d3cf201c4e1b00566f4996703527ecae8d8afd2)
       #01 pc 00433f2b  /data/app/com.silvercenturion.solitairegold-1/lib/arm/libunity.so (BuildId: 0d3cf201c4e1b00566f4996703527ecae8d8afd2)
       #02 pc 00435409  /data/app/com.silvercenturion.solitairegold-1/lib/arm/libunity.so (BuildId: 0d3cf201c4e1b00566f4996703527ecae8d8afd2)
       #03 pc 000eaec9  /system/lib/libart.so (art_quick_generic_jni_trampoline+40) (BuildId: 9e8205b5a3ea9eb4d499e79a43862be6)
       #04 pc 000e67d1  /system/lib/libart.so (art_quick_invoke_stub_internal+64) (BuildId: 9e8205b5a3ea9eb4d499e79a43862be6)
       #05 pc 003ea007  /system/lib/libart.so (art_quick_invoke_stub+170) (BuildId: 9e8205b5a3ea9eb4d499e79a43862be6)
       #06 pc 00101246  <anonymous:81f2d000>
 
        at libunity.0x433d76()
        at libunity.0x433f2b()
        at libunity.0x435409()
        at libart.art_quick_generic_jni_trampoline(art_quick_generic_jni_trampoline:40)
        at libart.art_quick_invoke_stub_internal(art_quick_invoke_stub_internal:64)
        at libart.art_quick_invoke_stub(art_quick_invoke_stub:170)
        at Unknown.0x8202e246()

How do we debug this crash. Is there a way I can extract data that we can read & understand.

Thanks in Advance, Altaf