An error was encountered while connecting to Document Imaging

I am trying to upload pre-scanned images into invoices in the AP module. I have not had any issues doing so for over a year. I did not post any invoices or upload images for 2 weeks, and now that I'm back from vacation I am unable to load images. The file path did not change. When I select Browse Pre-Scanned for Multiple Invoices it takes me to the correct folder. I am only having issues with Single Invoice. I am receiving the following errors:

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Thursday, September 21, 2023 6:55:13 PM

An error was encountered while connecting to Document Imaging

-------------- Exception ---------------
Type:    System.Net.Http.HttpRequestException
Message: An error occurred while sending the request.
Source:  ImageAcquisition
Target:  InitializeAPIs

Type:    System.Net.WebException
Message: Unable to connect to the remote server
Source:  System
Target:  EndGetResponse

Type:    System.Net.Sockets.SocketException
Message: No connection could be made because the target machine actively refused it Redacted
Source:  System
Target:  InternalEndConnect

--------------- Process ----------------
Process: 2644
Name:    ImageAcquisition
Module:  ImageAcquisition.exe
Thread:  1
At:      2023-09-21 18:55:13.7602061
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