java.lang.IllegalStateException: Ambiguous models equality when conditions is empty.	at springfox.documentation.spring.web.scanners.ApiModelReader.checkCondition(ApiModelReader.java:607) ~[springfox-spring-web-2.10.4.jar:null]	at springfox.documentation.spring.web.scanners.ApiModelReader.mergeConditions(ApiModelReader.java:378) ~[springfox-spring-web-2.10.4.jar:null]	at springfox.documentation.spring.web.scanners.ApiModelReader.mergeModelBranch(ApiModelReader.java:256) ~[springfox-spring-web-2.10.4.jar:null]	at springfox.documentation.spring.web.scanners.ApiModelReader.lambda$mergeModelBranch$7(ApiModelReader.java:197) ~[springfox-spring-web-2.10.4.jar:null]	at java.util.Optional.orElseGet(Optional.java:267) ~[na:1.8.0_282]	at springfox.documentation.spring.web.scanners.ApiModelReader.mergeModelBranch(ApiModelReader.java:197) ~[springfox-spring-web-2.10.4.jar:null]	at springfox.documentation.spring.web.scanners.ApiModelReader.lambda$read$3(ApiModelReader.java:145) ~[springfox-spring-web-2.10.4.jar:null]	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[na:1.8.0_282]	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) ~[na:1.8.0_282]	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384) ~[na:1.8.0_282]	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) ~[na:1.8.0_282]	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) ~[na:1.8.0_282]	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[na:1.8.0_282]	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[na:1.8.0_282]	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:1.8.0_282]	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485) ~[na:1.8.0_282]	at springfox.documentation.spring.web.scanners.ApiModelReader.read(ApiModelReader.java:144) ~[springfox-spring-web-2.10.4.jar:null]	at springfox.documentation.spring.web.scanners.ApiListingScanner.scan(ApiListingScanner.java:143) ~[springfox-spring-web-2.10.4.jar:null]	at springfox.documentation.spring.web.scanners.ApiDocumentationScanner.scan(ApiDocumentationScanner.java:69) ~[springfox-spring-web-2.10.4.jar:null]	at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.scanDocumentation(AbstractDocumentationPluginsBootstrapper.java:97) [springfox-spring-web-2.10.4.jar:null]	at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.bootstrapDocumentationPlugins(AbstractDocumentationPluginsBootstrapper.java:83) [springfox-spring-web-2.10.4.jar:null]	at springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper.start(DocumentationPluginsBootstrapper.java:94) [springfox-spring-web-2.10.4.jar:null]	at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:182) [spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]	at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:53) [spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]	at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:360) [spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]	at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:158) [spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]	at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:122) [spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:894) [spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:553) [spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]	at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]	...	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_282]	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_282]	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_282]	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_282]	at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) [spring-boot-devtools-2.3.0.RELEASE.jar:2.3.0.RELEASE]