You have data on the issue DC_PARTSEL-5448 which relies on code that is being provided by an add-on which is broken on your system.
The usual culprit is not bugs in add-ons, but that the version is not valid for the current version of JIRA.
To do some debugging/fixing, I would start by visiting the "manage add-ons" page under admin, and looking at the add-on that is throwing the error (look for the terms in the error message). Is it the right version for your JIRA? Is there a later version available?
If an update does not fix it, then the next step is to try disabling it and re-testing the view, to check that the error goes away.
If it does go away, or changes to a less painful one that doesn't break the screenn, then you know it's definitely the add-on, and you'll need to report a bug with the vendor. It *might* be an interaction with another add-on, but those are a lot harder to track down, and something I would ask the vendor to be helping you with.
I have multiple projects that use variations of the same base workflow. The variations depend on the requirements of the project or issue type. The variations mostly come in the form of new statuses ...
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