GetAssemblyIndexFromAssemblyName crash

Crashlytics found some user crashes. I have converted libunity codes to full names but don’t know what cause it

Unity Version 2018.1.5f1

Caused by java.lang.Error: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 000000e0
Build fingerprint: 'HOMTOM/HOMTOM/aeon6737m_65_m0:6.0/MRA58K/1480142084:user/release-keys'
Revision: '0'
pid: 19469, tid: 19498, name: AnalyticsHandle  
    r0 00000000  r1 e094c4e8  r2 f8742610  r3 00000055
    r4 df4df929  r5 00000000  r6 00000000  r7 e094c4e8
    r8 e094c504  r9 e094c520  sl 00000001  fp e094c7fc
    ip f874262a  sp e094c440  lr dec9f674  pc dec9f5dc  cpsr 0000000b

       at libunity.007d85dc(Unknown Source) GetAssemblyIndexFromAssemblyName
       at libunity.007d8670(Unknown Source) GetMonoClassWithAssemblyName
       at libunity.0099adc0(Unknown Source) scripting_class_from_fullname
       at libunity.00165a7c(Unknown Source) InitializeCoreScriptingClasses
       at libunity.001659e4(Unknown Source) GetCoreScriptingClassesPtr
       at libunity.001658a8(Unknown Source) GetCoreScriptingClasses
       at libunity.0013c994(Unknown Source) UnityJavaProxy_invoke
       at base.oatexec(oatexec)

Anyone? Still have this problem