“Could not load file or assembly…” error received when releasing Sales Order

After updating to version 9.0+ you may experience the following error when trying to Invoice a Sales Order:

“Could not load file or assembly ‘System.Core, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089’ or one of its dependencies. The system cannot find the file specified.

Application Module: fOrder, Subroutine: StartUsingSalesOrderObject, Source: ACCTivateApp”

To resolve .NET Framework 3.5 needs to be installed and updated properly on the server you’re using.

To install this feature use the following steps:

1.  Open Start > Control Panel

2.  Choose Programs and Features

3. Select Turn Windows features on or off (Top left corner)

Could not load file_Article_1

4. Check the box next to .NET Framework 3.5.1 and click ‘OK’

Could not load file_Article_2

After clicking ‘OK’ the system will install the request components/features and may need a reboot to fully install.

Posted in Sales - Last modified on August 24, 2017
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