Hi everyone
On friday, an update has been done on our sharepoint 2013 server and since I have some workflows which are in progress but they met some errors:
| 25/02/2019 10:46 | Error | Workflow_xxx failed to run. | |
| 25/02/2019 12:01 | Error | Workflow_xxx failed to run. | |
| 25/02/2019 12:06 | Error | Workflow_xxx failed to run. | |
| 25/02/2019 12:11 | Error | Workflow_xxx failed to run. |
So as you can see my workflow is on error and I tried to run but each time is failed to run but my progress is still in progress (and not in error)
But only some instances are on error; some WF continue to run without any problem
I also did a modification on this to do a test but it is impossible to publish it, when I tried I got the following error message:

As it is not very readable, this i a part of the error message:
ServerServer was unable to process request. Failed to publish workflow: :CompiIerError Line: "-I " Column: "-I " Text: "Type System.CodeDom.Code8inaryOperatorExpression is not marked as authorized in the application configuration file
ServerServer was unable to process request. Failed to publish workflow: :CompiIerError Line: "-I " Column: "-I " Text: "Type System.CodeDom.Code8inaryOperatorExpression is not marked as authorized in the application configuration file
Any idea of How could I debug my workflow without restaring them and how to be able to publish my new workflows?
Thank you for your help
Regards
Jon