abpframework/abp · critical · AbpInitializationException

An error occurred during ConfigureServices phase of the modu

Error message

An error occurred during ConfigureServices phase of the module {module.Type.AssemblyQualifiedName}. See the inner exception for details.

What it means

The synchronous counterpart of error 242. ABP iterates all modules and calls ConfigureServices(context), the main service-registration phase. If any module throws, ABP wraps the original in AbpInitializationException naming the module's AssemblyQualifiedName with the original as InnerException. This is a high-frequency failure point because most DI setup happens here.

Source

Thrown at framework/src/Volo.Abp.Core/Volo/Abp/AbpApplicationBase.cs:365

                {
                    foreach (var assembly in module.AllAssemblies)
                    {
                        if (!assemblies.Contains(assembly))
                        {
                            Services.AddAssembly(assembly);
                            assemblies.Add(assembly);
                        }
                    }
                }
            }

            try
            {
                module.Instance.ConfigureServices(context);
            }
            catch (Exception ex)
            {
                throw new AbpInitializationException($"An error occurred during {nameof(IAbpModule.ConfigureServices)} phase of the module {module.Type.AssemblyQualifiedName}. See the inner exception for details.", ex);
            }
        }

        //PostConfigureServices
        foreach (var module in Modules.Where(m => m.Instance is IPostConfigureServices))
        {
            try
            {
                ((IPostConfigureServices)module.Instance).PostConfigureServices(context);
            }
            catch (Exception ex)
            {
                throw new AbpInitializationException($"An error occurred during {nameof(IPostConfigureServices.PostConfigureServices)} phase of the module {module.Type.AssemblyQualifiedName}. See the inner exception for details.", ex);
            }
        }

        foreach (var module in Modules)
        {

View on GitHub (pinned to 7ed43b1931)

Solutions

1. Read ex.InnerException first - it holds the actual exception and stack trace.
2. Open the ConfigureServices override of the module named in the message.
3. Check appsettings.json (ConnectionStrings, the module's options section) for missing or malformed values.
4. Enable startup debug logging to see which registration failed.

try
{
    application.ConfigureServices();
}
catch (AbpInitializationException ex) when (ex.Message.Contains("ConfigureServices"))
{
    startupLogger.LogError(ex.InnerException, "Configure failed in {Module}", ex.Message);
    throw;
}

When it happens

Trigger: A module's ConfigureServices override throws: conflicting service registration, missing dependent service, options-configuration exception, or an EF Core helper invoked too early.

Common situations: DbContext misconfiguration; AddDbContext with a bad connection string; circular dependency between modules; ABP upgrade with a breaking registration change; third-party module missing an expected config section.

Related errors

• An error occurred during ConfigureServicesAsync phase of the
• An error occurred during PreConfigureServices phase of the m
• An error occurred during PostConfigureServices phase of the
• An error occurred during PreConfigureServicesAsync phase of
• An error occurred during PostConfigureServicesAsync phase of

AI-assisted analysis of abpframework/abp@7ed43b1931 (2026-08-13). Data as JSON: /api/errors/12d0692927c36a06. Report an issue: GitHub.