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500 Errors After Upgrade to

Robert_AutenRobert_Auten Customer IT Monkey ✭

We just upgraded to in 2 of our environments. In both environments we noticed that drop down lists and the home page doesn't work. I noticed that in the console there are a ton of 500 errors regarding /api/v3. Has anyone seen this issue before? We use Dynatrace to monitor the site and the stack trace shows 'System.MissingMethodException'.

Example 500 error (removed the server name):

GET http://myawesomescsmserver/api/V3/Enum/GetList/?Id=0d1c5836-644E-bfe4-5adf-cfe40fc08dfa 500 (Internal Server Error)


  • Robert_AutenRobert_Auten Customer IT Monkey ✭

    In case anyone is wondering, the following is missing in build in the web.config:


    <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />

    <bindingRedirect oldVersion="" newVersion="" />


  • Adam_DzyackyAdam_Dzyacky Product Owner Contributor Monkey ✭✭✭✭✭

    Hey @Robert_Auten - we recently released a hotfix to both baseline and latest lanes to address the issue that you raised above.

  • Robert_AutenRobert_Auten Customer IT Monkey ✭

    Thank you!

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