asp.net core - AngularBPWorkflow, when I try to add a new document and hit the save button it shows me "AN INTERNAL ERROR OCCURRED DURING YOUR REQUEST"?

Question

zone.js:2969 POST http://localhost:21021/api/services/app/Document/Create 500 (Internal Server Error)

info: Microsoft.AspNetCore.Cors.Infrastructure.CorsService[4] Policy execution successful. info: Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerHandler[2] Successfully validated the token. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[1] AbpUserRequestCultureProvider returned the following unsupported cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[2] AbpUserRequestCultureProvider returned the following unsupported UI Cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[1] AbpDefaultRequestCultureProvider returned the following unsupported cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[2] AbpDefaultRequestCultureProvider returned the following unsupported UI Cultures 'null'. info: Microsoft.AspNetCore.SignalR.HubConnectionContext[1] Completed connection handshake. Using HubProtocol 'json'. info: Microsoft.AspNetCore.Hosting.Internal.WebHost[1] Request starting HTTP/1.1 OPTIONS http://localhost:21021/api/services/app/Document/GetAll?SkipCount=0&MaxResultCount=10
info: Microsoft.AspNetCore.Cors.Infrastructure.CorsService[4] Policy execution successful. info: Microsoft.AspNetCore.Hosting.Internal.WebHost[1] Request starting HTTP/1.1 OPTIONS http://localhost:21021/api/services/app/Document/GetSchemes
info: Microsoft.AspNetCore.Hosting.Internal.WebHost[2] Request finished in 4.9208ms 204 info: Microsoft.AspNetCore.Cors.Infrastructure.CorsService[4] Policy execution successful. info: Microsoft.AspNetCore.Hosting.Internal.WebHost[2] Request finished in 5.0151ms 204 info: Microsoft.AspNetCore.Hosting.Internal.WebHost[1] Request starting HTTP/1.1 GET http://localhost:21021/api/services/app/Document/GetAll?SkipCount=0&MaxResultCount=10
info: Microsoft.AspNetCore.Hosting.Internal.WebHost[1] Request starting HTTP/1.1 GET http://localhost:21021/api/services/app/Document/GetSchemes
info: Microsoft.AspNetCore.Cors.Infrastructure.CorsService[4] Policy execution successful. info: Microsoft.AspNetCore.Cors.Infrastructure.CorsService[4] Policy execution successful. info: Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerHandler[2] Successfully validated the token. info: Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerHandler[2] Successfully validated the token. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[1] AbpUserRequestCultureProvider returned the following unsupported cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[1] AbpUserRequestCultureProvider returned the following unsupported cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[2] AbpUserRequestCultureProvider returned the following unsupported UI Cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[2] AbpUserRequestCultureProvider returned the following unsupported UI Cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[1] AbpDefaultRequestCultureProvider returned the following unsupported cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[1] AbpDefaultRequestCultureProvider returned the following unsupported cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[2] AbpDefaultRequestCultureProvider returned the following unsupported UI Cultures 'null'. warn: Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware[2] AbpDefaultRequestCultureProvider returned the following unsupported UI Cultures 'null'.

question from:https://stackoverflow.com/questions/65647766/angularbpworkflow-when-i-try-to-add-a-new-document-and-hit-the-save-button-it-s

Answer 1

Waitting for answers