Spring Boot 3.5.5, Java 21, ModelMapper 3.2.4, getting error Caused by: java.lang.NullPointerException: Cannot read field "methodProxies" because "x0" is null #777

Spring Boot 3.5.5, Java 21, ModelMapper 3.2.4, getting error Caused by: java.lang.NullPointerException: Cannot read field "methodProxies" because "x0" is null

1. Failed to configure mappings

1 error
at org.modelmapper.internal.Errors.throwConfigurationExceptionIfErrorsExist(Errors.java:240)
at org.modelmapper.internal.ExplicitMappingBuilder.build(ExplicitMappingBuilder.java:252)
at org.modelmapper.internal.ExplicitMappingBuilder.build(ExplicitMappingBuilder.java:104)
at org.modelmapper.internal.TypeMapImpl.addMappings(TypeMapImpl.java:92)
at org.modelmapper.internal.TypeMapStore.getOrCreate(TypeMapStore.java:127)
at org.modelmapper.ModelMapper.addMappings(ModelMapper.java:113)
at edu.cmu.is.config.AccountModelMapper.init(AccountModelMapper.java:49)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1930)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1883)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1822)
... 128 common frames omitted
Caused by: java.lang.NullPointerException: Cannot read field "methodProxies" because "x0" is null
at org.modelmapper.internal.ExplicitMappingBuilder$ExplicitMappingInterceptor.access$000(ExplicitMappingBuilder.java:312)
at org.modelmapper.internal.ExplicitMappingBuilder.createAccessorProxies(ExplicitMappingBuilder.java:295)
at org.modelmapper.internal.ExplicitMappingBuilder.createProxies(ExplicitMappingBuilder.java:285)
at org.modelmapper.internal.ExplicitMappingBuilder.visitPropertyMap(ExplicitMappingBuilder.java:274)
at org.modelmapper.PropertyMap.configure(PropertyMap.java:386)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.modelmapper.internal.ExplicitMappingBuilder.build(ExplicitMappingBuilder.java:235)
... 138 common frames omitted

Is there a solution?