java.lang.NoClassDefFoundError: didn't find class kotlin.text.charsets
Android studio project introduced its own download two versions of okhttp jar 3.10 and 2.0 versions of okio results apk installed to flash back
Log shows kotlin.text.charsets used in the buffer can not be found
Did not find the Internet to find a lot of reasons, the final version of the okio replaced by low version is fine.
The specific reasons unknown. . . .
Here the record about