Exception on await Future.wait(requests);

[photoplyr]

PlatformException(GET_RECORD_FAIL,
No serializer found for class x3.c
and no properties discovered to
create BeanSerializer (to avoid
exception, disable SerializationFe
ature.FAIL_ON_EMPTY_BEANS),
java.lang.IllegalArgumentException:
No serializer found for class x3.c
and no properties discovered to create
BeanSerializer (to avoid exception,
disable SerializationFeature.FAIL_ON_E
MPTY_BEANS)
at y7.s.c(Unknown Source:99)
at y7.s.k(Unknown Source:6)
at co.b.sf.invokeSuspend(Unknown
Source:267)
at
kotlin.coroutines.jvm.internal.a.resume
With(Unknown Source:11)
at et.d1.run(Unknown Source:134)
at
android.os.Handler.handleCallback(Han
dler.java:938)
at
android.os.Handler.dispatchMessage(H
andler.java:99)
at
android.os.Looper.loop