androind ClassNotFoundException

i have a running game

i am getting this crash for android in google play console in crash section

java.lang.ClassNotFoundException
in dalvik.system.BaseDexClassLoader.findClass

In details

at dalvik.system.BaseDexClassLoader.findClass (BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass (ClassLoader.java:380)
at java.lang.ClassLoader.loadClass (ClassLoader.java:312)

Now i could not find which class in not found

My game is up and running.

Is the problem is creating for ndk or sdk version or different architecture?

If i can’t find the class causing the problem i can’t solve the problem.

plz help me
Thanks in advance

Perhaps this helps:

https://developer.android.com/reference/dalvik/system/BaseDexClassLoader

https://android.googlesource.com/platform/libcore-snapshot/+/ics-mr1/dalvik/src/main/java/dalvik/system/BaseDexClassLoader.java