Error "java.lang.RuntimeException "


Can you tell me what is causing this error?
It occurs when the application starts and is associated with the names of the additional screen (each time is different)

at (
at (
at (Unknown Source)
at$H.handleMessage (
at android.os.Handler.dispatchMessage (
at android.os.Looper.loop (
at (
at java.lang.reflect.Method.invoke (Native Method)
at$ (
at (
Caused by: java.lang.RuntimeException:
at gnu.kawa.reflect.Invoke.lookupMethods (
at gnu.kawa.reflect.Invoke.applyN (
at gnu.mapping.ProcedureN.apply3 (
at$PcSetAndCoerceProperty$Ex (runtime39934085797362727.scm:1150)
at$Ex (runtime39934085797362727.scm:196)
at com.appybuilder.lihisa89.Myapp.Screen2.lambda76 (RazbSpirt.yail:63)
at com.appybuilder.lihisa89.Myapp.Screen2$frame.apply0 (RazbSpirt.yail:59)
at gnu.expr.ModuleMethod.apply0 (
at kawa.lang.Promise.force (
at kawa.lang.Promise.force (
at kawa.lib.misc.force (misc.scm:98)
at com.appybuilder.lihisa89.Myapp.Screen2.$define (RazbSpirt.yail:10241)
at (
at$100 (
at$1.HandlePermissionResponse (
at (
at (
at (
at (


Any help!
This error is present in all my applications built in Appybuilder and affects 2% of installations (these are more than 1000 users)
There were no errors in the previous publication of 02/23/2019