When trying to use EO PDF under a 64-bit web API exe it throws the error seen below. Under a 32-bit process it works fine.
<PackageReference Include="EO.Pdf" Version="19.2.11" />
System.Exception: Failed to resolve LoadLibrary. at EO.Internal.jr.b.d() at EO.Internal.jr.b.a(bac[] A_0, String A_1, String A_2) at EO.Internal.jr.a(Boolean& A_0, bac[] A_1, String A_2, String A_3) at EO.Internal.jr.a(bac[] A_0, String A_1, String A_2) at EO.Internal.jr.o.c() at EO.Internal.jr.o.f() at EO.Internal.jr.o() at EO.Internal.jr.a(Boolean& A_0, bac[] A_1, String A_2, String A_3) at EO.Internal.jr.a(bac[] A_0, String A_1, String A_2) at EO.Internal.awa.b() at EO.Internal.awa.a(WindowsIdentity A_0) at EO.WebEngine.Engine.Start(WindowsIdentity user) at EO.Internal.s2.b() at EO.Internal.nt.a(s2& A_0) at EO.Internal.al2.a(aw A_0, s2& A_1) at EO.Internal.pe..ctor(aw A_0, HtmlToPdfOptions A_1) at EO.Pdf.HtmlToPdfSession.a(HtmlToPdfOptions A_0) at EO.Pdf.HtmlToPdfSession..ctor(HtmlToPdfOptions A_0, Boolean A_1) at EO.Pdf.HtmlToPdf.ConvertHtml(String html, PdfDocument doc, HtmlToPdfOptions options) at ADOT.MVD.Foundation.Business.Services.HtmlDocumentService.<BuildDocument>d__0.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Finance.Business.Services.FinanceDocumentService.<GeneratePDFContent>d__12.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Finance.Business.Services.FinanceDocumentService.<GeneratePaymentReceipt>d__11.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Finance.Business.Services.ReceiptService.<ProcessCheckout>d__118.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Finance.Business.Services.ReceiptService.<ProcessCheckout>d__112.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Web.API.Areas.Finance.Controllers.CheckoutController.<ProcessCheckout>d__13.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.TaskOfIActionResultExecutor.<Execute>d__0.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeActionMethodAsync>d__12.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeNextActionFilterAsync>d__10.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeInnerFilterAsync>d__13.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeNextExceptionFilterAsync>d__24.MoveNext() at EO.Internal.jr.b.d() at EO.Internal.jr.b.a(bac[] A_0, String A_1, String A_2) at EO.Internal.jr.a(Boolean& A_0, bac[] A_1, String A_2, String A_3) at EO.Internal.jr.a(bac[] A_0, String A_1, String A_2) at EO.Internal.jr.o.c() at EO.Internal.jr.o.f() at EO.Internal.jr.o() at EO.Internal.jr.a(Boolean& A_0, bac[] A_1, String A_2, String A_3) at EO.Internal.jr.a(bac[] A_0, String A_1, String A_2) at EO.Internal.awa.b() at EO.Internal.awa.a(WindowsIdentity A_0) at EO.WebEngine.Engine.Start(WindowsIdentity user) at EO.Internal.s2.b() at EO.Internal.nt.a(s2& A_0) at EO.Internal.al2.a(aw A_0, s2& A_1) at EO.Internal.pe..ctor(aw A_0, HtmlToPdfOptions A_1) at EO.Pdf.HtmlToPdfSession.a(HtmlToPdfOptions A_0) at EO.Pdf.HtmlToPdfSession..ctor(HtmlToPdfOptions A_0, Boolean A_1) at EO.Pdf.HtmlToPdf.ConvertHtml(String html, PdfDocument doc, HtmlToPdfOptions options) at ADOT.MVD.Foundation.Business.Services.HtmlDocumentService.<BuildDocument>d__0.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Finance.Business.Services.FinanceDocumentService.<GeneratePDFContent>d__12.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Finance.Business.Services.FinanceDocumentService.<GeneratePaymentReceipt>d__11.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Finance.Business.Services.ReceiptService.<ProcessCheckout>d__118.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Finance.Business.Services.ReceiptService.<ProcessCheckout>d__112.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ADOT.MVD.Web.API.Areas.Finance.Controllers.CheckoutController.<ProcessCheckout>d__13.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.TaskOfIActionResultExecutor.<Execute>d__0.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeActionMethodAsync>d__12.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeNextActionFilterAsync>d__10.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeInnerFilterAsync>d__13.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeNextExceptionFilterAsync>d__24.MoveNext()