Universal GUI gives bad request error when runnin process flow

I made a process flow to close the current document and open the next one in the process. When opening a document using a process flow in universal I get the following error:

The document opens normally in the windows gui.The design of the process flow is as follows:

Extra information:

The universal is opened using the SF.

Versions:

SF: 2020.2

Universal: 2021.3.15

Indicium: 2021.3.17