Indicium API error: Action 'GET' not found in 'TaskController'

I have a task that uploads a file via API call, after our migration I get the following error:

Action 'GET' not found in 'TaskController'

What does it mean?

2023-03-21T14:43:33.4011841+00:00 0HMP9C9Q1N09M:00000002 [ERR] An unhandled exception occurred while processing the request. (ffba027a)
System.Exception: Action 'GET' not found in 'TaskController'
   at Indicium.OData.ODataRouteValueTransformer.getActionDescriptor(String controllerName, String methodName, String httpMethod) in C:\azp\agent\_work\1\s\src\Indicium\OData\ODataRouteValueTransformer.cs:line 344
   at Indicium.OData.ODataRouteValueTransformer.fromActionDescriptor(String controllerName, String methodName, String httpMethod) in C:\azp\agent\_work\1\s\src\Indicium\OData\ODataRouteValueTransformer.cs:line 326
   at Indicium.OData.ODataRouteValueTransformer.fromActionDescriptor(ODataPath odataPath, HttpContext httpContext) in C:\azp\agent\_work\1\s\src\Indicium\OData\ODataRouteValueTransformer.cs:line 319
   at Indicium.OData.ODataRouteValueTransformer.TransformAsync(HttpContext httpContext, RouteValueDictionary values) in C:\azp\agent\_work\1\s\src\Indicium\OData\ODataRouteValueTransformer.cs:line 209
   at Microsoft.AspNetCore.Mvc.Routing.DynamicControllerEndpointMatcherPolicy.ApplyAsync(HttpContext httpContext, CandidateSet candidates)
   at Microsoft.AspNetCore.Routing.Matching.DfaMatcher.SelectEndpointWithPoliciesAsync(HttpContext httpContext, IEndpointSelectorPolicy[] policies, CandidateSet candidateSet)
   at Microsoft.AspNetCore.Routing.EndpointRoutingMiddleware.<Invoke>g__AwaitMatch|8_1(EndpointRoutingMiddleware middleware, HttpContext httpContext, Task matchTask)
   at Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)
   at Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)
   at Microsoft.AspNetCore.ResponseCompression.ResponseCompressionMiddleware.InvokeCore(HttpContext context)
   at Indicium.Middleware.Security.AuthenticationHeadersMiddleware.InvokeAsync(HttpContext context) in C:\azp\agent\_work\1\s\src\Indicium\Middleware\Authentication\AuthenticationHeadersMiddleware.cs:line 48
   at Indicium.Middleware.Security.SecurityHeadersMiddleware.InvokeAsync(HttpContext context, ContentSecurityPolicyBuilder cspBuilder) in C:\azp\agent\_work\1\s\src\Indicium\Middleware\Security\SecurityHeadersMiddleware.cs:line 55
   at Indicium.Middleware.Messages.TSFMessagesMiddleware.Invoke(HttpContext context, IRootApplicationLoader rootApplicationLoader, TSFRequestContext requestContext) in C:\azp\agent\_work\1\s\src\Indicium\Middleware\Messages\TSFMessageMiddleware.cs:line 45
   at Indicium.Middleware.Telemetry.ServerTimings.ServerTimingsMiddleware.InvokeAsync(HttpContext context, ServerTimingsBuilder serverTimingsBuilder) in C:\azp\agent\_work\1\s\src\Indicium\Middleware\Telemetry\ServerTimings\ServerTimingsMiddleware.cs:line 43
   at Indicium.Middleware.ExceptionHandlingMiddleware.Invoke(HttpContext context, TSFRequestContext requestContext) in C:\azp\agent\_work\1\s\src\Indicium\Middleware\ExceptionHandlingMiddleware.cs:line 84