2020-05-25T16-55-15Z-c8715755c2.log

2020-05-25T16:59:26.881 [Information] Starting JobHost
2020-05-25T16:59:26.889 [Information] Starting Host (HostId=durable-letsencrypt, InstanceId=3e5fff9b-7053-4f68-b108-92d98fd4f3d4, Version=3.0.13614.0, ProcessId=10020, AppDomainId=1, InDebugMode=True, InDiagnosticMode=False, FunctionsExtensionVersion=3.0.13614)
2020-05-25T16:59:26.911 [Information] Loading functions metadata
2020-05-25T16:59:26.921 [Information] Loading proxies metadata
2020-05-25T16:59:26.930 [Information] Initializing Azure Function proxies
2020-05-25T16:59:30.728 [Information] 1 proxies loaded
2020-05-25T16:59:30.827 [Error] A host error has occurred during startup operation 'af4b107e-b6c0-4e2d-85cf-0b761234be3c'.
System.InvalidOperationException : Found duplicate FunctionMetadata with the name AddCertificate
   at Microsoft.Azure.WebJobs.Script.FunctionMetadataManager.AddMetadataFromCustomProviders(List`1 functionMetadataList) at D:\a\1\s\src\WebJobs.Script\Host\FunctionMetadataManager.cs : 184
   at Microsoft.Azure.WebJobs.Script.FunctionMetadataManager.LoadFunctionMetadata(Boolean forceRefresh) at D:\a\1\s\src\WebJobs.Script\Host\FunctionMetadataManager.cs : 114
   at Microsoft.Azure.WebJobs.Script.FunctionMetadataManager.GetFunctionMetadata(Boolean forceRefresh,Boolean applyWhitelist) at D:\a\1\s\src\WebJobs.Script\Host\FunctionMetadataManager.cs : 60
   at Microsoft.Azure.WebJobs.Script.ScriptHost.GetFunctionsMetadata() at D:\a\1\s\src\WebJobs.Script\Host\ScriptHost.cs : 340
   at async Microsoft.Azure.WebJobs.Script.ScriptHost.InitializeAsync(CancellationToken cancellationToken) at D:\a\1\s\src\WebJobs.Script\Host\ScriptHost.cs : 274
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at async Microsoft.Azure.WebJobs.Script.ScriptHost.StartAsyncCore(CancellationToken cancellationToken) at D:\a\1\s\src\WebJobs.Script\Host\ScriptHost.cs : 251
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at async Microsoft.Extensions.Hosting.Internal.Host.StartAsync(CancellationToken cancellationToken)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at async Microsoft.Azure.WebJobs.Script.WebHost.WebJobsScriptHostService.UnsynchronizedStartHostAsync(ScriptHostStartupOperation activeOperation,Int32 attemptCount,JobHostStartupMode startupMode) at D:\a\1\s\src\WebJobs.Script.WebHost\WebJobsScriptHostService.cs : 266
2020-05-25T16:59:30.905 [Information] Stopping JobHost

I'm having the same problem with https://github.com/shibayan/appservice-acmebot
I have no idea why it stopped working, do you have any adivice on how to solve it ?
Thanks

Please create an Issue with more information. Thank you.